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A circle has an area of 75 square centimeters. Which answer is closest to the measure of its radius? A) 2.75 centimeters B) 4.9 centimeters C) 9.8 centimeters D) 23.9 centimeters
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A circle has an area of 75 square centimeters. Which answer is closest to the measure of its radius?

A) 2.75 centimeters


B) 4.9 centimeters


C) 9.8 centimeters


D) 23.9 centimeters

User Andora
by
7.6k points

2 Answers

3 votes

Answer:

4.9

Explanation:

User Shawna
by
9.1k points
3 votes
A =
\pi r^2
75 =
\pi r^2

r ≈ 4.89

So, answer is B.

User Claro
by
8.2k points
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