Question

Find the radius of a cone with volume 199.23 cm^3 and height 9 cm.

2.3 cm

4.9 cm

4.6 cm

9.2 cm

Answer 1

Cone Volume = (π • r² • h) ÷ 3
radius^2 = 3*cone volume / (PI*height)
radius^2 = 3*199.23 / (3.14159*9)
radius^2 = 21.1389773968
radius = 4.59771