The volume V of a cone in terms of its radius r and height h is given by the formula V = 13πr2h.

Part A

Choose the formula for the height of a cone in terms of its volume and radius.
A. h=r23Vπ
B. h=Vπr23
C. h=πr23V
D. h=3Vπr2
Part B

Find the height h, in centimeters, of a cone with volume V = 32π cm3 and radius r = 4 cm.