Asked by daniel

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?
Answered by Bosnian
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
Answered by Bosnian
W=Width

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