Question

What is the volume of an oblique cone with radius 9 cm and height 12 cm?

972π cm3


486π cm3


648π cm3


324π cm3

Answer 1

the correct answer is the fourth one 324\pi cm3

Answer 2

$V = \frac{1}{3}\pi \cdot r^{2}h$
$= \frac{1}{3}\pi \cdot 81\cdot 12$
$= \frac{972\pi}{3}$
$= 324\pi (cm)^{3}$