PSAT Math Multiple-Choice Practice Question 277
Question: 277
A circle has a circumference of 72 centimeters. Find the radius to the nearest tenth of a centimeter. Use 3.14 for π.
Correct Answer: B
Explanation:
The correct solution is 11.5 centimeters because C = 2πr; 72 = (2)3.14r; 72 = 6.28r; r ≈ 11.5 centimeters. See Lesson: Circles.
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