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Answer: ASet 1: Area Volume (Advanced)
Explanation
PROBLEM
A sphere has radius 3. What is its volume? (Express as a number times pi)
A sphere has radius 3. What is its volume? (Express as a number times pi)
A.✓ Correct
36pi
B.
36pi
C.
27pi
D.
39pi
Detailed Explanation
Choice A is the best answer. Volume = (4/3) times pi times r cubed = (4/3) times pi times 3 cubed = 36pi
Why others are wrong:
B: 36pi is incorrect because it does not satisfy the equation.
C: 27pi is incorrect because it does not satisfy the equation.
D: 39pi is incorrect because it does not satisfy the equation.