The length of a rectangle is 3 times the width. The perimeter is 96 cm. How do you find the width and length?

1 Answer
Jul 27, 2018

W=12cm
L=36cm

Explanation:

Perimeter of rectangle P=2W+2L

We are told L=3W

and P=96

so 96=2W+23W

8W=96

so W=968=12cm

and L=312=36cm