6

Set 3: Area Volume (Advanced)

Explanation

Answer: B

PROBLEM

A cone has radius 4 and height 3. What is its volume? (Express as a number times pi)

A cone has radius 4 and height 3. What is its volume? (Express as a number times pi)

A.

12pi

B.

16pi

✓ Correct
C.

48pi

D.

32pi

Detailed Explanation

Choice B is the best answer. Volume = (1/3) times pi times r squared times h = (1/3) times pi times 16 times 3 = 16pi

Why others are wrong:
A: 12pi is incorrect because it does not satisfy the equation.
C: 48pi is incorrect because it does not satisfy the equation.
D: 32pi is incorrect because it does not satisfy the equation.