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Earn +20 ptsQ: If a rectangle is 3 inches by 5 inches what is its area?
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The length of rectangle is 2 inches more than its width The area of the rectangle is 15 square incheswhats the width and length?
They are: 3 inches and 5 inches respectively
What is the perimeter and area of a rectangle with the sides equal to 5 inches and 7 inches?
Perimeter:20 inches Area:35
The length of a rectangle is 2 inches more than its width the area of the rectangle is 15 square inches what are the length and width of the rectangle?
Call the width of the rectangle x. Call the length of the rectangle x + 2. The area of the rectangle would be the length times the width. We know this is 15 square inches. Set up the equation and solve for x. (x +2)x = 15 x2 + 2x = 15 x2 + 2x - 15 = 0 Factor the quadratic equation: (x - 3)(x + 5) = 0 x = 3 or x = -5 Since length can't be negative, discard the answer -5. If x = 3, then the width is 3 and the length is x + 2 or 5. 5 x 3 = 15 which equals the area.
What is the surface area of rectangle solid that measures 5 by 8 by 9 inches?
314 square inches in total
The length of a rectangle is 3 inches less than twice its width if the area of the rectangle s 35 inches find the dimensions of the rectangle?
L = 2W - 3 so W x (2W - 3) = 35, ie 2W^2 - 3W - 35 = 0 This factorises as (2W + 7)(w - 5) so the positive value for W is 5 in, making L = 7 in.
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