4

Set 2: Area Volume (Advanced)

Explanation

Answer: C

PROBLEM

A cylinder has radius 5 and height 3. What is its volume? (Express as a number times pi)

A cylinder has radius 5 and height 3. What is its volume? (Express as a number times pi)

A.

25pi

B.

80pi

C.

75pi

✓ Correct
D.

30pi

Detailed Explanation

Choice C is the best answer. Volume = pi times r squared times h = pi times 5 squared times 3 = 75pi

Why others are wrong:
A: 25pi is incorrect because it does not satisfy the equation.
B: 80pi is incorrect because it does not satisfy the equation.
D: 30pi is incorrect because it does not satisfy the equation.