how to work out the area of a irregular rectangle?
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One method for finding the area of an irregular shape is to divide the shape into smaller shapes which you do have the formula for. Then you find the area of all of the smaller shapes and add all of your areas together.
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A rectangle has a perimiter of 36 inches and a length of 12 inches. What is the width of the rectangle in inches? Explanation: To find the width, multiply the length that you have been given by 2, and subtract the result from the perimeter.
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To work out the area of a square or rectangle, multiply its height by its width. If the height and width are in cm, the area is shown in cm². If the height and width are in m, the area is shown in m². A square with sides of 5 m has an area of 25 m², because 5 × 5 = 25.
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The area of each triangle is one-half the area of the rectangle. So, the area A of a triangle is given by the formula A=12bh where b is the base and h is the height of the triangle. Example: Find the area of the triangle.
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Double the width, and subtract that from the perimeter. Then divide that number by two, which gives you the length of the rectangle. Then, multiply the result by the width to get the area.
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['When we need to find length of a rectangle we need to divide area by breadth.', 'Length of a rectangle = Area ÷ breadth.', 'ℓ = A ÷ b.', 'Similarly, when we need to find breadth of a rectangle we need to divide area by length.', 'Breadth of a rectangle = Area ÷ length.', 'b = A ÷ ℓ']
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Find the area of a rectangle in square centimeters by measuring the length and width of the rectangle in centimeters. Multiply the length of the rectangle by its width. If the rectangle has a length of 10 cm and a width of 5 cm, the equation is: 10 cm x 5 cm = 50 cm2.
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The most basic area formula is the formula for the area of a rectangle. ... That is, the area of the rectangle is the length multiplied by the width. As a special case, as l = w in the case of a square, the area of a square with side length s is given by the formula: A = s2 (square).
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Simply multiply your measurements for length and width to determine the area of your square or rectangular area in square inches. For example, let's say that, for a rectangular area, you measure a length of 4 inches and a width of 3 inches. In this case, the area within your rectangle is 4 × 3 = 12 square inches.
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Calculate the Area as Square Footage If you are measuring a square or rectangle area, multiply length times width; Length x Width = Area.
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If a hexagon is irregular, we find the lengths of each of the sides and add up all the lengths of the sides - this is the perimeter. If a hexagon is regular, find the length of one of the sides and multiply the length of one side of the hexagon by six - this is the perimeter of the hexagon.
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['Multiply the total height and length of the wall to find the total area.', 'Multiply the width and height of each opening to find the area.', 'Subtract the area of the openings from the total area of the wall.', 'Divide the result by 32.']
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For example, if a rectangle has an area of 20 square feet and a length of 10 feet, divide 20 by 10 to get a width of 2 feet. Multiply the length times 2 and subtract this figure from the perimeter, if you're given these values. Then divide by 2 to find the width.
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['Coordinates. The first step is to turn each vertex (corner) into a coordinate, like on a graph:', 'Area Under One Line Segment. Now, for each line segment, work out the area down to the x-axis. ... ', 'Average the two heights, then multiply by the width.']
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To find the area of an irregular polygon you must first separate the shape into regular polygons, or plane shapes. You then use the regular polygon area formulas to find the area of each of those polygons. The last step is to add all those areas together to get the total area of the irregular polygon.
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Area = base × height, or A = b × h for short. Example: If the base of a rectangle has a length of 10 inches and the height has a length of 5 inches, then the area of the rectangle is simply 10 × 5 (b × h) = 50 square inches.
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The way to calculate a rectangular area is by measuring the length and width of your area then multiplying those two numbers together to get the area in feet squared (ft2).