SAT Math Multiple Choice Practice Question 29: Answer and Explanation

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Question: 29

7. If an eight-slice pizza has a diameter of 12 inches, what is the area of one slice, in square inches?

A. 2.25π
B. 4.5π
C. 9π
D. 18π
E. 36π

Correct Answer: B


B. The area of the pizza is πr2. The radius is 6, because the diameter is 12, and the area is 36π. Dividing by eight slices gives you 4.5π.

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