Question

Select the correct answer A cone has a diameter of 18 units and height of 8 units. What is its volume CA 72 cubic units OB 216 cubic units oc 6-3ncubicunits D. 85 cubic units

Answer 1

Answer:

B. 216π cubic units

Explanation:

Given a cone with radius, r and a height, h:

$\text{Volume}=\frac{1}{3}\pi r^2h$

• The diameter is 18 units, therefore, the radius = 9 units.

,

• Height, h= 8 units.

Substitute these into the formula:

$\begin{gathered} V=\frac{1}{3}\times\pi\times9^2\times8 \\ =216\pi\text{ cubic units} \end{gathered}$

The correct choice is B.