9
Answer: CSet 1: Area Volume (Advanced)
Explanation
PROBLEM
A cylinder has radius 3 and height 4. What is its volume? (Express as a number times pi)
A cylinder has radius 3 and height 4. What is its volume? (Express as a number times pi)
A.
39pi
B.
24pi
C.✓ Correct
36pi
D.
9pi
Detailed Explanation
Choice C is the best answer. Volume = pi times r squared times h = pi times 3 squared times 4 = 36pi
Why others are wrong:
A: 39pi is incorrect because it does not satisfy the equation.
B: 24pi is incorrect because it does not satisfy the equation.
D: 9pi is incorrect because it does not satisfy the equation.