A central angle of a circle that measures 2 radians intercepts an arc of length 10 cm. What is the length of the radius? 5 cm 10 cm 15 cm 20 cm

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18 votes

A central angle of a circle that measures 2 radians intercepts an arc of length 10 cm. What is the length of the radius?

5 cm
10 cm
15 cm
20 cm

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25 votes

Answer:

5 cm

Explanation:

Arc length (S) = 10 cm

Central angle
= 2 radians

We need to find: radius of the circle (r)

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