The length of a rectangle is six times its width. if the perimeter of the rectangle is 70 inches, find its area.

1 answer:

3 0

Width = w

Length (l) = 6w

Perimeter (P) = 70 inches

2*(l + w) = 70

6w + w = 35

7w = 35

--- w = 5

--- l = 6w = 6*5 = 30

Area = l*w = 30 * 5 = 150 inches²

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