SOLUTION: the permiter of a rectangle is 54 cm and the base length is twice the height. What is the area

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Question 399020: the permiter of a rectangle is 54 cm and the base length is twice the height. What is the area
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
P=2L+2H
L=2H
54=2*2H+2H
54=4H+2H
54=6H
H=54/6
H=9 ANS. FOR THE HEIGHT.
L=2*9=18 ANS. FOR THE LENGTH.
PROOF:
54=2*18=2*9
54=36+18
54=54
AREA=LW
18*9=162 CM^2 IS THE AREA.