## anonymous 5 years ago Find the indicated measure: Diameter, A=48in^2

1. anonymous

Are you sure there isn't a "pi" in the answer?

2. anonymous

since :$A = \pi r^2$ then : $r=\sqrt{A/\pi}$ we have A = 48in^2 , substitute and you will get r = 3.91in r = Diameter/2 which means it's half of the diameter, so D = 2r = 2(3.91) = 7.82 in