The length of a rectangle is three times the width. The area of the rectangle is 108 sq in. What is the width of the rectangle? 6 in. 9 in. 12 in.

Question

 The length of the rectangle is three times the width

Answer 1

Hello Illasi

 

L = 3W

 

Area, A = L x W = 108 in²

 

Substitute L = 3W into the area equation, you get

 

A = 3W x W = 108

 

3W² = 108

 

W² = 108 / 3 = 36

 

W = √36 = 6 in