A square also fits the definition of a rectangle (all angles are 90°), and a rhombus (all sides are equal length). rectangle synonyms, rectangle pronunciation, rectangle translation, English dictionary definition of rectangle. Using those values we will calculate the Area of a rectangle and perimeter of a rectangle. diagonals are equal in a square and a rectangle. This makes teaching "triangle" "rectangle" and "square" tricky in a very subtle way. They are the perfect way to display your favourite memories. A square has equal sides and every angle is a right angle (90°) Also opposite sides are parallel. It's all that and a bag of chips. The Square Off costs $369 for the Kingdom set (about £290 or AU$515) and $445 for the larger rectangular Grand Kingdom set. A contracted weir means that the ditch leading up to the weir is wider than the weir opening itself. Its versatility allows you to hang it on a door or use it flat on a table as a centerpiece. Fraction Multiplication and Area. I purchased a sofa crystallize from then on March 2nd 2017. It has four right angles and parallel sides. A rhombus is a parallelogram with all its sides equal. Therefor a square cannot be a rectangle unless the rules of a rectangle are overridden. Input the rectangle inside dimensions - height and width and the circles outside diameters. A rectangular pyramid is a simple geometric figure that consists of a rectangular base and four triangle shaped faces. These ideas are therefore perfect for using with our other riddles about shapes. The diagonals are d 1 and d 2. Task #2 Write the Square class! Since a square is a rectangle, Sqaare should extend Rect. A square is like a box! A triangle has 3 sides, A triangle has 3 sides, Up the mountain, Down, and back. The square is a special rectangle. semicircles together, you have a whole circle. I the case of a rectangle, opposite sides are equal in length, so the perimeter is twice its width plus twice its height. Properties of Quadrilaterals (Always, Sometimes, Never questions) (Because a rectangle has at least one pair of parallel sides) rectangle and square. A four-sided plane figure with four right angles. A box whose every side is a. A rectangle has four straight sides with four right angles, but the sides can be different lengths. Refine Your Results By: Shop Bakeware Performance Pans Square Cake Pans Set, 3 Piece - 8, 12 and 16-Inch Cake Pans $39. A rectangle with four sides of equal length is a square. To find the area of a rectangle, all you have to do is multiply its length with its width. However not every rectangle is a square, to be a square its sides must have the same length. Properties of Quadrilaterals (Always, Sometimes, Never questions) (Because a rectangle has at least one pair of parallel sides) rectangle and square. A square is a type of equiangular parallelogram and square properties include congruent diagonals and diagonals that bisect each other. A rectangular box is to have a square base and a volume of 50 ft3. Hard Way Versus Easy Way. Also learn the facts to easily understand math glossary with fun math worksheet online at Splash Math. Rectangular Contracted Weir. The corners are all right angles. \$\endgroup\$ – RobAu Nov 27 '15 at 8:44 | show 9 more comments. That is, they are both triangle numbers and squares. Define rectangle. The perimeter of the triangle is 54cm. You draw a 4x4-square with some diagonals on plywood or on cardboard. (javascript). Property 1: In a square, every angle is a right angle. a plane rectangle. A rectangle MUST have the following: Four sidesFour angles that are right angles (90 degrees), so that the. (Set of 2) Rectangular End Table in Distressed Natural Pine Home Square (Set of 2) Rectangular End Table in Distressed Natural Pine Home Square @ ☀☀Get On Sale☀☀ Furniture For Customers Get Shop On Sale Set Living Room Bed Room And More. To compute the area, one must find the number of squares. Theorem 16. The formula for the perimeter of a square is side x 4, as seen in the figure below: This is the easiest shape to calculate, as you only need to take a single measurement. A homeowner may want to know the size of a yard to plan a garden, a contractor may need to calculate the size of a room that needs new flooring or a painter may need to determine the size of a. It has characteristics of both of these. Perimeter P means adding up all 4 sides of a rectangle or P=w+w+L+L=2(w+L) where w is the width and L is the Length. A square is a rectangle with 4 equal sides. Remember that a right angle measures 90 degrees. Anyway, the whole business is not really worth arguing about once it is seen that of all the four sided figures with four right angles, there is a special one which also has four equal sides. The material for the base costs 42¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Log in for more information. But kite is grouped into two pairs of congruent sides that are adjacent to each other. a square and a rectangle have the same perimeter. High ceiling contemporary dining room with fancy square table This style of dining room table is slightly more modern and nontraditional than round or rectangular varieties. This fifth grade lesson explores the area of a rectangle with fractional side lengths. Rectangle border calculator provide you with a simple way of determining the square footage area for a rectangle shape with border. — Live Porcelain Doll by Vince Angoli Technorati Tags: is a square a rectangle, properties of quadrilaterals, shapes rectangle. Square Footage Calculator. If you don't have any geoboards handy, dot paper can be used as an alternative, although it won't make learning quite as enjoyable for students. A square is a special form of a rectangle (where all sides have equal length). How many square meters is a 2 meter by 2 meter rectangle? Use this easy and mobile-friendly calculator to compute the area of a rectangle given the length of its sides. Each rectangle is one higher than it is wide, so the rectangle for the fifth triangle number is 5 by 6. The area of the larger rectangle is kA square units. This page has several printable area worksheets. It’s a silly example though. A500 is a standard specification for cold-formed carbon steel structural tubing and is commonly used in construction projects and structural supports. 9—Proving a Quadrilateral is a Rhombus, Rectangle, or a Square 7. Drawing) | Microsoft Docs Skip to main content. Citation from "Pimp Daddy", Terriers (TV, 2010), Season 1 Episode 9 blacked out to resolve Google's penalty against this site. All the properties of a rectangle apply (the only one that matters here is diagonals are congruent). What is the area of the red zone?. We want to find the area of the shaded part. com for more free ebooks and stories. Since the square is the last one in the hierarchy, therefore, it must have all the properties of a parallelogram, rectangle, and rhombus. A square has 4 sides that are all exactly the same size. We have a rectangle and a circle. Calculate square feet, meters, yards and acres for flooring, carpet, or tiling projects. • A square is a rectangle with four congruent sides. Study math with us and make sure that "Mathematics is easy!". The rectangle's interior is painted with a LemonChiffon brush and its outline is painted with a Black stroke with a thickness of 1. The side of a square is 10cm. Total area = 24 + 8 + 3 = 35 square units. Rectangle definition is - a parallelogram all of whose angles are right angles; especially : one with adjacent sides of unequal length. Enter 2 sides and hit Calculate to re-draw with correct diagonal. 3 views × To follow this question, please enter your. The logical connector in a conditional statement is denoted by the symbol. Small Folding Tables Height. 75 or 120 3/4 or 120 3 4 In the diagram, if the diagonal is. The square has the following properties: All the properties of a rhombus apply (the ones that matter here are parallel sides, diagonals are perpendicular bisectors of each other, and diagonals bisect the angles). Find the area of the shaded part. Definition of a rectangle: the rectangle is a quadrangle, or a parallelogram, where all four of its angles are right angles, or the diagonals have the same length. ☀ Free Shipping Trampolines ☀ Kids Square/Rectangle Preschool Trampoline by Pure Fun Shop The Largest Selection Of Home Furniture And Décor Across All Styles And Price Points. A rectangle of blue and hazy light was framed by the dark wall. All squares are rectangles but not all rectangles are squares (all the sides in a square have to be the same length). Kids Square/Rectangle Preschool Trampoline by Pure Fun with Trampolines 's on-line chat system needs a good update, too. For a rectangle, its pair parallel sides are of equal dimension (length or width) while in a square, all the sides are of equal dimensions. Using a small ruler such as a 6 ½″ or 5 ½″ square repeat the same process above to square off this small block. Since we have already proven properties pertaining to the rectangle and the rhombus, no further proofs will be prepared for the square. Everything must be equal for it to be a square, including the distance from one opposing corner to the other. A rectangle is a type of regular quadrilateral. A rhombus is a square. com with free online thesaurus, antonyms, and definitions. ” Posted on March 28, 2013 by mpershan | 7 Replies The question below asked kids to state whether the given sentence is always, sometimes or never true. How to Square up a Frame or Large Object for Welding There are a few well known processes for squaring an object among the many different trades. A rectangular house must also be a "square" rectangle, meaning each set of two sides are equal. The tank will be partially underground, the grade level is 10′ below the top of the tank. Feet and Inch Diagonal Calculator | Square it Up Posted on by Use this feet and inch diagonal calculator to easily find the diagonal between two sides of any rectangle. If a figure is both a rectangle (right angles) and a rhombus (equal edge lengths), then it is a square. We have a rectangle and a circle. When aspects configure in certain ways, they form aspect patterns: grand trine, grand cross, yod, mystic rectangle, t-square. This java applet is a simulation of waves in a rectangular membrane (like a drum head, except rectangular), showing its various vibrational modes. A square is a special case of a rectangle. This is a simple math exercise with any number of real-world applications. #kids-square-rectangle-preschool-trampoline-by-pure-fun #Trampolines The Pure Fun Preschool Jumper Kids Trampoline with Handrail is ideal for playing and learning. Then give directions to lay the yarn on the floor and make it into a circle shape, a square, a triangle, a rectangle, an oval and a diamond. Trapezoid is a quadrangle, two opposite sides of which are parallel (Fig. (Unless the rectangle is a square. Areas of rectangles with the same perimeter. The area of a rectangle and square are same. Squares, rectangles and circles are very useful tools when making quick fixes in drawings. #36-square-rectangle-trampoline-by-pure-fun #Trampolines Provide your kids with hours of play with the Pure Fun 3' Square/Rectangle Jumper Trampoline. Is it a square or a rectangle? Created Feb. A Square and a Rectangle By Clark Ness Visit www. A rectangle does not NECESSARILY meet the criteria for a square. It is possible for a square to be a rectangle, but it is impossible for a rectangle to be a square. Splash Math is an award winning math learning program used by more than 30 Million kids for fun math practice. Think about it, you change the side of a square/rectangle, you have a different square/rectangle, not the same one with a different side. Here is a square. One shape being a special form of another is an important idea in reasoning about shape, space and measures. Adjust the rectangle above to create a square. A rectangle is a shape with four sides and four corners. It has four right angles and parallel sides. A square is a special kind of rectangle because all of its sides are equal. This article is about how to cut a square hole in drywall. Now consider a similar shape - a rectangle, and assume that this rectangle is strictly not a square (otherwise we could induce additional symmetries). I have had people that do lots of quilting say never let them tear and a quilt shop employee say tear as it always tears on grain. Its definition is that it has all four sides of equal length, or alternatively, the angle between two diagonals is right. An example project highlighting the differences between definitions and properties, by Lindsey Lewis. A 4-sided flat shape with straight sides where all interior angles are right angles (90°). The springs work independently, which allow for a controlled takeoff and landing from any point on the jumping mat. The calculator is generic and all units can be used - as long as the same units are used. Then you add a little more egg enough to have a thin sheet and you lift up the tamagoyaki a bit and let the new egg go under it so that it will stick to each other so the rolling will continue. Like other parallelograms, opposite sides in a rectangle are parallel to each other. The primary difference between rhombus and parallelogram is that while rhombus can be referred as a slanting square, whose adjacent sides are equal, parallelogram is a slanting rectangle with two set of parallel opposite sides. When the blue border appears on your Windows 8 laptop, what really happened is that you unknowingly pressed some keyboard shortcut that opens Narrator, which is a program (shipped with Windows) that narrates things on the screen to you. A square, or a rectangle, is a value object, so all this goes away when you realise that. It's all that and a bag of chips. in Homework Help. Area of a 2m x 2m Rectangle. find the perimeter of this rectangle. How to calculate square footage for rectangular, round and bordered areas. The volume of such a pyramid is given by (1/3)(area of the base)(height) Suppose that the receptacle is being filled with water at the rate of. Each of the. Therefore, you have to dig 10-15” in diameter holes (6” below the frost line – at least 3′), fill 3” with gravel and insert tube forms (or build square forms using 2x4s ). I then attempted to make a second square, and the same thing happened, with the two lower points in regards to their Y points did not connect. This would work great for a picture frame. Area of a Square or a Rectangle - Area of a plane figure is the measure of space inside the figure and is two dimensional. (Sometimes the word 'cuboid' has a more general meaning. Reddit gives you the best of the internet in one place. For example, in a room that is 10 feet wide and 18 feet long, the area would be 10 multiplied by 18 to obtain 180 square feet. means "right angle". More trigonometric functions and relations For centroid, moments of inertia, polar moments of inertia, and radius of gyration, click the following icon:. The water level on the upstream side is higher than the water level on the downstream side. Recommended for grades 3-5. Calculator Use. The rectangle's interior is painted with a LemonChiffon brush and its outline is painted with a Black stroke with a thickness of 1. Golden Section or Golden Mean, Modulor, Square Root of Two. Why is a Square also a Rectangle by Bonnie Yoder Why is a Parallelogram More General that a Square, Rectangle and a Rhombus by Courtney Griffiths Definitions and Properties: Definitions and Properties. A square is a special form of a rectangle (where all sides have equal length). A square also fits the definition of a rectangle (all angles are 90°), and a rhombus (all sides are equal length). We can cut to any size to suit your application's needs. a square and a rectangle have the same perimeter. Click and hold your mouse over the marquee tool to see the four options: Rectangle Marquee. If a square has a base of length 6 inches its area is 6*6=36 square inches. Line an entire wall with multiple mirrors, highlight a kitchen backsplash, display a single rectangle mirror above a special desk or table to create an eye catching focal point. The two-sided square is a symbol which is constantly found in the Book of the Dead, also in various Egyptian papyrii. So I'm thinking of a parallelogram that is both a rectangle and a rhombus. In this example, the derived class overrides the function printArea. Fills the interior of a rectangle specified by a pair of coordinates, a width, and a height. Formulas, explanations, and graphs for each calculation. I tried using the rectangle function as well, but can't get a square within a square to appear. The square and the parallelogram each have a fascinating characteristic in their constructed secondary figures. ☀ Hot Tub Accessories Up To 50% Off ☀ Cover Lifter For Square & Rectangle Spas by Lifesmart Spas Free Shipping On Orders Over $49. How does the area change? Suppose a square is made into a rectangle by increasing its length by 10% and decreasing its adjacent side by the same amount. The Properties of a Rectangle 4 Right Angles. In order to be a square, the shape must contain four straight sides with 90-degree angles that are all the same length. Rectangular Tank Calculator, Rectangular Tank Volume Calculator, Dipstick Chart, Dipstick Calculator, Cubic Inches, Cubic Feet, Cubic Meters, Cubic Centimeters. Centroid, Area, Moments of Inertia, Polar Moments of Inertia, & Radius of Gyration of a Square Channel Square Channel Rectangular L Beam Square T Beam. The square is a special rectangle. Label all of the different shapes you use in your drawing. It can also be defined as a parallelogram containing a right angle. There are three ways to prove that a quadrilateral is a rectangle. Thus, any rectilinear figure can be squared. Anyway, the whole business is not really worth arguing about once it is seen that of all the four sided figures with four right angles, there is a special one which also has four equal sides. This is sometimes true. But calculating the number of objects (square units, in this case) in rows and columns can be done by multiplication: notice that the number of square units in the rectangle is simply the product of the length and the width. To find the area of a rectangle by the method of counting squares, we divide the rectangle into small squares of one centimetre side-length. a square is a rectangle, but a rectangle is not a square. But for the average guy who is starting out learning welding and fabrication, might not know these things. If a square is perfectly attached to the width of the rectangle, what is the total area of the new rectangle formed? x) A rectangle with length 10 yards and width 4 yards are cut into squares. A square is transformed into a rectangle by increasing its length and decreasing its other side by the same percentage amount. The marquee tools are selection tools which allow you to select rectangles, ellipses and 1-pixel rows and columns. A square meets the criteria for a rectangle, and is, in fact, a special case of rectangle. The acre was approximately the amount of land estimated tillable by one man plowing behind an ox in one day. Show, in fact, that that area will be 2r 2. (noun) An example of a rectangle is the shape of a an 8x10 picture frame. Therefore, like a rectangle its opposite sides are congruent. Wooden Rectangular Cocktail Ottoman (Square), Beige Linen & Oak Brown Benzara, Woodland Imprts, The Urban Port. Wooden Rectangular Cocktail Ottoman (Square), Beige Linen & Oak Brown Benzara, Woodland Imprts, The Urban Port. The area is given by the formula:. Draw a rectangle on the board. Again, the rectangles come in different sizes and we can draw them at an angle if we want. In the Great Hall of Truth where Osiris is shown sitting in judgment his seat is composed of the two-sided square. In other words, the opposites sides of a 4-sided shape need to be parallel. A square is also a rectangle with equal sides and a rhombus with right angles. To calculate the square footage, you will multiply the length of the room by the width of the room. Each rectangle is one higher than it is wide, so the rectangle for the fifth triangle number is 5 by 6. ) And the angles formed by the intersection are not always the same measure (size). Area of a Square or a Rectangle - Area of a plane figure is the measure of space inside the figure and is two dimensional. The only difference between them is that a square is a rectangle with equal sides. Default values are for 0. A rectangle can be thought about in other ways: A square is a special case of a rectangle where all four sides are the same length. 8 : If the diagonals of a parallelogram are congruent and perpendicular, the parallelogram is a square. These problems usually involved finding lengths, widths or diagonals of rectangles. Perimeter P means adding up all 4 sides of a rectangle or P=w+w+L+L=2(w+L) where w is the width and L is the Length. Shop AllModern for modern and contemporary Rectangle & Square Coffee Tables to match your style and budget. (square, rhombus, rectangle, parallelogram, kite, isosceles trapezoid, trapezoid) square, rhombus, rectangle, parallelogram I am a quadrilateral with exactly one pair of opposite sides always parallel. 10 cm 8 cm a. a plane rectangle. Exercises 1 - Solve the same problem as above but with the perimeter equal to 500 mm. A square is a parallelogram and a regular polygon. If a circle is circumscribed around a square, the area of the circle is / (about 1. The graph shows a rectangle that has been translated. The square and the parallelogram each have a fascinating characteristic in their constructed secondary figures. What are the possible widths if the area of the rectangle is at least 667 square inches?. There are three ways to prove that a quadrilateral is a rectangle. It should contain two coordinates. Rectangle Understanding why the area of a rectangle is base time height is the key to understanding each of these paper-folding proofs of area. When this is satisfied, we have a square. A quadrilateral is a square if all four internal angles are #90^@# and all four sides are equal in measure. A perfectly square building foundation begins with a square layout. A rectangular contracted weir has a rectangular opening where the sides are straight up and down. Python Program to find Area of a Rectangle and Perimeter of a Rectangle This python program for Area of a rectangle allows the user to enter width and height of the rectangle. A quadrilateral is a rectangle if all four internal angles are #90^@#. If it is a square or rectangle, enter the length and width dimensions in the Rectangle section only. A rectangle is any shape with four sides and four right angles. A square however is a rhombus since all four of its sides are of the same length. I tried using the rectangle function as well, but can't get a square within a square to appear. Only if the rectangle is a square A rectangle is a parallelogram with all its interior angles being 90 degrees. It your choice if you want to. This page will show you how to get a hexagon from a square. Go order from a company that really does understand customer service; I don't think Kids Square/Rectangle Preschool Trampoline by Pure Fun with Trampolines is one of these. Download a rectangle deck design plan from Trex, available in five sizes. It can also be called a cuboid. To summarize, a square is somewhat a rectangle since it does have all the properties of being a rectangle, but it needs to have its sides equal in measurement to be called a square. This calculator finds the water flow rate for a rectangular contracted weir. The graph shows a rectangle that has been translated. It's a popular shape for windows and record albums, among many other things. The side of a square is 10cm. All squares are rectangles, but not all rectangles are squares. The length of the diagonal of any rectangle equals the square root of the sum of the squares of its length and width. It follows that the lengths of the pairs of sides opposite each other must be equal. In order to be a square, the shape must contain four straight sides with 90-degree angles that are all the same length. Multiply length times width to calculate the areas of the rectangles and squares. A square is a rectangle with equal sides. Use the Rectangle tool to create rectangle features. Porsche Design Rectangle Sunglasses for Women, Porsche Design Metal Vintage Sunglasses, PRADA Rectangle Sunglasses for Women, Mirrored Square Sunglasses for Men, Rectangle Black Sunglasses for Women, Carrera Square Sunglasses for Men, Oakley Men's Square Sunglasses, Square REVO Sunglasses for Men, Brighton Rectangle Sunglasses for Women. Its versatility allows you to hang it on a door or use it flat on a table as a centerpiece. Why is every square a rectangle? Whitney Matthews. We recently look at The Group of Symmetries of the Square. High ceiling contemporary dining room with fancy square table This style of dining room table is slightly more modern and nontraditional than round or rectangular varieties. A square is a rectangle with 4 equal sides. The wall height is 17′. A square has a larger area than all other quadrilaterals with the same perimeter. If the measurements are equal then the corners are square. To setout a square or rectangle, make sure the diagonal is the correct length for the side lengths. Problem 20. However, a square is a rectangle, because it has 2 sets of parallel sides and 4 right angles. Airy Baltimore Washing DC Frederick cake shop. Area is measured in square units such as square inches, square feet or square meters. Using the method. If it is a square or rectangle, enter the length and width dimensions in the Rectangle section only. This is never true. Then if the lengths of all the sides are equal then it can form a square. The cuboid is similar to a cube, but is made of rectangles rather than squares. Download a rectangle deck design plan from Trex, available in five sizes. Founded on its mission to connect families one bounce at a time, Skywalker Trampolines and Skywalker Sports offers quality trampolines, playground equipment, and sports equipment for all. Shop for italian gold square & rectangle dangle earrings , 14k amazing deals from Italian Gold. • A square is a rectangle with four congruent sides. Enter the following dimensions: 1. Some of the shapes are special cases of other named shapes. Enter 2 sides and hit Calculate to re-draw with correct diagonal. Only if the rectangle is a square A rectangle is a parallelogram with all its interior angles being 90 degrees. The objective is to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle. Then students go back to the non-examples and give a reason they are not squares, this helps clarify/enhance the properties of the square. A square is a three dimensional shape with six rectangular shaped sides, at least two of which are squares. A square and rectangle are both quadrilaterals, which are four-sided shapes. They are the perfect way to display your favourite memories. Here is an example when a rhombus is a square: Here is an example when a rhombus is not a square: 2. A rectangular box is to have a square base and a volume of 50 ft3. With 2 commercial kitchens, amazing culinary instructors and all the fixins, this facility is a community resource for creativity and inspiration!. A square is a special kind of rectangle where all four sides have equal length; that is, a square is both a rectangle and a rhombus. Rectangle Select Tool S once. Make TWO units like this (only shown once) for a total of twelve pieced rectangle units Next place a 3" Color 2 square right sides together and outside edges aligned against the upper left corner of a Color 1 5-1/2" square. Definition of Rectangular Prism explained with real life illustrated examples. Rectangular Contracted Weir. Useful for Construction projects, wood workers, home owners, students, and real estate. A rectangular is a three dimensional shape with six rectangular shaped sides. If l = w is true, then the rectangle is called a square, and then we have the following formulas: d = l√ 2, l = d÷√ 2 and S = l² = d²/2. Cafe Astrology. While I don't doubt that mathematics wouldn't have a problem vectorizing an area, it seems like the entire point is so that it can be used in some physical sense. All squares are rectangles, but not all rectangles are squares. Use any units, imperial or metric. If you're interested in finding chandeliers options other than "Fixture Design: Square / Rectangle" and "Fixture Design: Lantern", you can further refine your filters to get the selection you want. An example of a special parallelogram that is both equiangular and equilateral is the square. " The area of a square is equal to the length of one side squared. A four-sided plane figure with four right angles. Find the length of the diagonal of a square garden having the same area as that of the rectangular garden :. Both have 4 90 degree (right) angles. For example a square has all of the properties of a rectangle and is included in the set of rectangles. The area of a square is equal to the length of one side to the power of two (length squared). The meaning of square can be expressed in terms of being a rectangle with additional restriction: A square is an equilateral rectangle. Rectangle can have incongruent adjacent sides, but square must have congruent adjacent sides. How To Find The Area of a circle drawn inside a square So far at this site you have learned how to find the area of a circle using its radius, diameter and circumference. Use the edge as a guide to cut off the lower rectangle. Therefore, a square is both a rectangle and a rhombus, which means that the properties of parallelograms, rectangles, and rhombuses all apply to squares. A quadrilateral is a rectangle if all four internal angles are #90^@#. Rectangle Any quadrilateral which is formed by right angles on four sides is termed as a rectangle. These ideas are therefore perfect for using with our other riddles about shapes. Square, parallelogram, trapezoid, isosceles trapezoid, area of a rectangle, polygon. It can also be called a cuboid. com for more free ebooks and stories. A rectangle is a quadrilateral (closed shape with 4 straight sides and 4 corners) with 4 right angles.