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A circle has an area of 80 square centimeters. Which answer is closest to the measure of its radius? A. 2.85 centimeters B. 5 centimeters C. 10.1 centimeters D. 24.5 centimeters…

A circle has an area of 80 square centimeters. Which answer is closest to the measure of its radius? A. 2.85 centimeters B. 5 centimeters C. 10.1 centimeters D. 24.5 centimeters…
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1 vote
A circle has an area of 80 square centimeters. Which answer is closest to the

measure of its radius?

A. 2.85 centimeters
B. 5 centimeters
C. 10.1 centimeters
D. 24.5 centimeters

asked
User Ye Kyaw Kyaw Htoo
by
7.9k points

1 Answer

4 votes
The answer is B because of substitution.
80=pi*r^2
After moving the equation the answer is 5 cm
answered
User Cyberdelphos
by
8.7k points
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