Question

A couple wants to install a square mirror that has an area 500 in.². To the nearest 10th of an inch what length of wood trim is need to go around the mirror

Answer 1

S·S=500. S²=500. S=√500. S=22.36. 22.4 inches for 1 side, 22.4(4)=89.6, 89.6 for all 4 :)