SOLUTION: The perimeter of a rectangle is 56. When one side is x + 4 and the other side is twice that. Find the measurement of all sides of the rectangle.
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Question 264587: The perimeter of a rectangle is 56. When one side is x + 4 and the other side is twice that. Find the measurement of all sides of the rectangle. Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! 2L+2W=P
2(X+4)+2*2(X+4)=56
2X+8+4X+16=56
6X=56-16-8
6X=32
X=32/6
X=16/3
16/3+4=(16+4*3)/3=(16+12)/3=28/3 ANS. FOR ONE SIDE.
2*28/3=56/3 ANS. FOR THE OTHER SIDE.
PROOF:
2*28/3+2*56/3=56
56/3+112/3=56
168/3=56
56=56
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