SOLUTION: A rectangle is 3 times as long as it is wide. The perimeter is 60 cm. Find the dimensions of the rectangle. Round to the nearest tenth if necessary.
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Question 321046: A rectangle is 3 times as long as it is wide. The perimeter is 60 cm. Find the dimensions of the rectangle. Round to the nearest tenth if necessary.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let width be x
length =3x
..
Perimeter = 2L+2W
2x+2*3x= 60
2x+6x=60
8x=60
x=7.5 cm
y= 3x = 3*7.5
=22.5
dimensions are 22.5 by 7.5 cm
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