Digital PSAT Math Practice Question 271: Answer and Explanation
Question: 271
A circle has a radius of 4 inches. One sector of the circle has a central angle measure of 60 degrees. What is the area of this sector of the circle in square inches?
- A.
- B. 2π
- C.
- D.
Correct Answer: C
Explanation:
(C) First, calculate the area of the circle:
π r2 → π (4)2 = 16π
Since the sector has a measure of 60 degrees and a circle has a total of 360 interior degrees, calculate the fraction of the total circle's area that the sector is as follows:
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