Math The length of a rectangle is twice it's width. If it's perimeter is 54cm, find its length. Explain! Asked by Abhishekdas on 11 Mar 06:05 Last updated by anonymous on 10 Jul 18:37

let the width be x, then length is 2x perimeter:2(x+2x)=54 2*3x=54 6x=54 we can get x=9 length is 2x=9*2=18