Image is question help me asap
Circumference = 2 * pi * radius
So we have
8.5 pi = 2 * pi * r divide both sides by 2 pi
8.5/2 = r = 4.25 in
Volumecone = (1/3) pi * (radius)^2 * height =
(1/3) * pi * (4.25)^2 * 15 =
5 * (4.25)^2 * pi =
90.31 pi in^3