Here is a square pizza with an area of 36 square inches what length of stuffed crust will be around the edge

So you know to get the area yo do length times width. so we know l*w=36 
so you also know a square has equal sides all around so. the length and the width have to be able =36. so lets get the multiplies of 36: (1,36)(2,16)(3,12)(4,9)(6,6) so looking at these you automatically should know (6,6) is the answer so the length is 6. hope this helps