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Answer: ASet 3: Area Volume (Advanced)
Explanation
PROBLEM
A cylinder has radius 3 and height 5. What is its volume? (Express as a number times pi)
A cylinder has radius 3 and height 5. What is its volume? (Express as a number times pi)
A.✓ Correct
45pi
B.
30pi
C.
9pi
D.
48pi
Detailed Explanation
Choice A is the best answer. Volume = pi times r squared times h = pi times 3 squared times 5 = 45pi
Why others are wrong:
B: 30pi is incorrect because it does not satisfy the equation.
C: 9pi is incorrect because it does not satisfy the equation.
D: 48pi is incorrect because it does not satisfy the equation.