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