how do you do area and perimeter?
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To find the perimeter of a shape, measure each of the sides and add them all together. To find the area of a square, rectangle, or other parallelograms, multiply the length by the width.
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To find the area of a rectangle, you need two measurements: the width, or base (the longer side of the rectangle), and the length, or height (the shorter side of the rectangle). Then, just multiply them together to get the area. In other words: Area = base × height, or A = b × h for short.
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Assuming the room is square or rectangular, you would measure the length and width. Multiply the length by the width to get the area, and add twice the length to twice the width to get the perimeter.
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The perimeter of a rectangle is the total length of all the sides of the rectangle. Hence, we can find the perimeter by adding all four sides of a rectangle. Perimeter of the given rectangle is a + b + a + b.
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['Name. Figure. Formula. Nomenclature. Triangle. Perimeter: P=a+b+c. Area: A=12bh. a,b,c:sides. b:base. h:height. Square. Perimeter: P=4a. Area: A=a2. a:side. Rectangle. Perimeter: P=2b+2h. Area: A=bh. b:base. ... ', 'Usage. To find the area of basic figures.', 'See Also. List here internal links. Web Resources. Write here links for external references.']
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For perimeter just add up the length of all the outer walls. For area multiply the width of the house by the depth if it's a simple rectangle. Otherwise split up the plan of the house into separate rooms or rectangles, measure the area of each room or rectangle by length x width and add them all up.
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Write down the formula for finding the area of a regular polygon. To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem. Here is what it means: Perimeter = the sum of the lengths of all the sides.
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The area is measurement of the surface of a shape. To find the area of a rectangle or a square you need to multiply the length and the width of a rectangle or a square. Area, A, is x times y.
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Find the dimensions of the rectangle using the perimeter. For this example, suppose the perimeter is 22 feet and the length is 5 feet. Write down the perimeter equation for a rectangle: P = 2L + 2W where "P" stands for perimeter, "L" stands for the length and "W" stands for the width. Fill in the perimeter equation.
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We found that the 6 by 3 rectangle works, because 6+3+6+3=18 and 6x3=18, so this has equal area and perimeter. ... But if both the length and the width are odd, then the area will be odd, meaning that it is impossible for the perimeter to be the same as the area.
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Explanation: To find the width, multiply the length that you have been given by 2, and subtract the result from the perimeter. You now have the total length for the remaining 2 sides.
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To find the perimeter of a rectangle, add the lengths of the rectangle's four sides. If you have only the width and the height, then you can easily find all four sides (two sides are each equal to the height and the other two sides are equal to the width). Multiply both the height and width by two and add the results.
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Remember the formulas for both area and perimeter of a square. The area of a square is a = s 2, or side times side, while the perimeter is p = 4s, or 4 times s.
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Now you can find the perimeter by finding the sum of all the side lengths. Find the area of each of the three pieces and then the total area. Let's take a look at finding the area using Method 2. Find the area of the composite shape below.
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Walls. To calculate the area of a wall, use the standard formula of (Length) x (Width) = Area. Next, use the same formula to record the individual area of windows and doors. Once you have all of these measurements down, subtract the area of the windows and doors from the total area of the wall.
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Correct answer: To find the width, multiply the length that you have been given by 2, and subtract the result from the perimeter. You now have the total length for the remaining 2 sides.
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['For a square with side length s , the following formulas are used.', 'Perimeter = 4s.', 'Area = s2.', 'Diagonal = s√2.', 'For a circle with radius r , the following formulas are used.', 'Circumference = 2πr.', 'Area = πr2.']