SOLUTION: A rectangle has an area of 27 squared inches. The height is three times the base. What is the perimeter of the rectangle?
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Question 158609: A rectangle has an area of 27 squared inches. The height is three times the base. What is the perimeter of the rectangle?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
+=plus
-=minus
*=multiply
/=divide
^=power.
-----------------------
h*b=27
3b*b=27
3b^2=27
b^2=27/3
b^2=9
b=sqrt9
b=3 in. is the base.
3*3=9 in. for the height.
Proof:
3*7=27
----------------------
2*3+2*9=6+18=24 in. is the perimeter.
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