A rectangle is 3 times as long as it is wide, it's area is 108 square centimeters. What is the length? what is the width?
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2 answers

L=Lenght
W=With
A=Area
L=3W
A=L*W=108
108=3W*W
3W^2=108 Divide with 3
W^2=108/3
W^2=36
W=sqroot(36)
W=6 cm
L=3W
L=3*6=18 cm
A=L*W=18*6=108 cm^2 👍
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answered by Bosnian 
W=Width
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answered by Bosnian
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