10
Answer: ASet 1: Area Volume (Advanced)
Explanation
PROBLEM
A cone has radius 4 and height 9. What is its volume? (Express as a number times pi)
A cone has radius 4 and height 9. What is its volume? (Express as a number times pi)
A.✓ Correct
48pi
B.
36pi
C.
96pi
D.
144pi
Detailed Explanation
Choice A is the best answer. Volume = (1/3) times pi times r squared times h = (1/3) times pi times 16 times 9 = 48pi
Why others are wrong:
B: 36pi is incorrect because it does not satisfy the equation.
C: 96pi is incorrect because it does not satisfy the equation.
D: 144pi is incorrect because it does not satisfy the equation.
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