Question

A couple wants to install a square mirror that has an area of 500 square inches.to the nearest tenth of an inch,what length of wood trim is needed to

go around the mirror?

Answer 1

`Area\ of\ square:\\\\ A=x^2\\x-side\ of\ square\\\\\ 500=x^2\ \ | \sqrt{}\\\\ x=√(500)=√(5*100)=√(5)*sqrt{100}=10√(5)\approx22,4\\\\The\ length\ of\ wood\ trim\ should\ be\ equal\ to\ 22,4inch.`