PSAT Math Grid-Ins Question 21: Answer and Explanation
Question: 21
What is the area of the circle above with center O?
Correct Answer: 16π
Explanation:
16π
The question asks for the area of circle O. The given radius of the circle is 4. Since the equation for the area of a circle is πr2, the area is π(4)2. The correct answer is 16π.
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