1
Answer: DSet 3: Area Volume (Advanced)
Explanation
PROBLEM
Intriguingly, 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.
36pi
B.
39pi
C.
27pi
D.✓ Correct
36pi
Detailed Explanation
[Variation 2] Choice D is the best answer. Volume = (4/3) times pi times r cubed = (4/3) times pi times 3 cubed = 36pi
Why others are wrong:
A: 36pi is incorrect because it does not satisfy the equation.
B: 39pi is incorrect because it does not satisfy the equation.
C: 27pi is incorrect because it does not satisfy the equation.