PSAT Math Multiple-Choice Practice Question 270
Question: 270
Find the volume in cubic inches of a cylinder with a circumference of 14𝝅 inches and a height of 12 inches.
Correct Answer: B
Explanation:
The correct solution is 588π. Find the radius by substituting in the circumference and dividing by 2π, 14π = 2πr; r = 7 inches. Substitute the values into the formula and simplify using the order of operations, V = π r2 h = π 72(12) = π(49)(12) = 588π cubic inches. See Lesson: Measurement and Dimension.
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