Question 31 Answer and Explanation _ACT April 2015 Form 73G Math Section

Question 31 Answer and Explanation _ACT April 2015 Form 73G Math Section

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Use the following information to answer questions 30-32.

The circle in the standard (x, y) coordinate plane below has center (-8.5, 7.5) and has radius 5 coordinate units.

31. What is the area, in square coordinate units, of this circle?

A. $\dfrac{5}{2}\pi$

B. $\dfrac{25}{2}\pi$

C. $10\pi$

D. $25\pi$

E. $100\pi$

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation

S=π (5) ²