9
Answer: DSet 2: Circles (Advanced)
Explanation
PROBLEM
A circle has radius 6. What is the area of a 120-degree sector? (Express as a number times pi)
A circle has radius 6. What is the area of a 120-degree sector? (Express as a number times pi)
A.
36pi
B.
12pi
C.
24pi
D.✓ Correct
12pi
Detailed Explanation
Choice D is the best answer. Sector area = (120/360) times pi times 6 squared = 12pi
Why others are wrong:
A: 36pi is incorrect because it does not satisfy the equation.
B: 12pi is incorrect because it does not satisfy the equation.
C: 24pi is incorrect because it does not satisfy the equation.