SOLUTION: The length of a rectangle is four times its width. If the area of the rectangle is 324m^2 , find its perimeter

SOLUTION: The length of a rectangle is four times its width. If the area of the rectangle is 324m^2 , find its perimeter

Algebra.Com

Question 489690: The length of a rectangle is four times its width.
If the area of the rectangle is 324m^2 , find its perimeter
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
width -------x
length -----------4x
area = 4x^2 =324
x^2=81
x= 9m the width
length = 9*4 = 36
perimeter = 36+36+9+9=90m
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