SOLUTION: A rectangles length is 3 times its width. The area is 27 square inches. Find the perimeter.
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Question 908895: A rectangles length is 3 times its width. The area is 27 square inches. Find the perimeter.
Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
L = 3W
A = L * W
27 = 3W * w
27 = 3W^2
Divide each side by 3
9 = w^2
3 = W
If the width is 3, then the length is 9
Perimeter = 2L + 2W
P = (2*9) + (2*3)
P = 18 + 6
P = 24
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