SOLUTION: The perimeter of a rectangle is 72 centimeters. The base is 3 times the height. What are the dimensions of the rectangle? What is the area?

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Question 261901: The perimeter of a rectangle is 72 centimeters. The base is 3 times the height. What are the dimensions of the rectangle? What is the area?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2B+2H=PERIMETER.
2B+2H=72
B=2H
2(2H)+2H=72
4H+2H=72
6H=72
H=726
H=12 CM. FOR THE HEIGHT.
B=2*12=24 CM. FOR THE BASE.
PROOF:
2*12+2*24=72
24+48=72
72=72
BH=AREA
12*24=288 CM^2 IS THE AREA.