SOLUTION: What is the perimeter of a rectangle if the area is 27 square inches and the length is three times it's width?
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Question 1045987: What is the perimeter of a rectangle if the area is 27 square inches and the length is three times it's width? Found 2 solutions by addingup, MathTherapy:Answer by addingup(3677) (Show Source):
You can put this solution on YOUR website! Perimeter P = 2W+2L
L = 3W Substitute above:
2W+2(3W) = 27
2W+6W = 27
8W = 27
W = 3.375 or 3 3/8
L = 3(3.375) = 10.125 or 10 1/8
You can put this solution on YOUR website!
What is the perimeter of a rectangle if the area is 27 square inches and the length is three times it's width?