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Q: If the area of a square is 81 in2 what is the length of one side?
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If the area of a square is 100 in2 what is the length of one of its sides?

50 in2


What is the area ofa square game boardif one side has a length of 20 inches?

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What is the area of the base of a 5 inch side length of a cube?

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If the area of a rectangle is 18 square inches and the length of the rectangle is twice it's width what is the length and width of the rectangle?

A rectangle with one side that is double the length of the other side can be seen as two squares beside each other, that are half the area of the original rectangle, in this case 18 square inches / 2 = 9 square inches. The side of a square is the square root of the area, in this case the square root of 9 square inches, which is 3 inches. Now think about the rectangle again. What we just counted was the side of a square that made up one half of the rectangle you wanted to calculate the area of. So the shorter side of the rectangle is the same as our square, and the longer side is double the length. So the width of the rectangle is 3 inches, and the length is 2 * 3 inches = 6 inches. Or: Area = length x width (A=lw) Area = 18 (in2) Width = w Length = twice width (2w) 18 = (2w)w 18 = 2w2 9 = w2 3 = w The width is 3 in., the length (2w) is 6 in.


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Each face of the cube has 1/6 of the area = 78/6 = 13 in2 .Each side of the face = square root of the area = sqrt(13) inches .The volume of the cube is (side length)3 = [ sqrt(13) ]3 = 46.872 in3 (rounded)


A square has an area of 400 what is the perimeter?

A square with an area of 400 square units has a perimeter of 80 units.