SOLUTION: find the central angle of a circle which intercepts an arc 80pie centimeter with the radius of the circle is 20 centimeter. tnx.

SOLUTION: find the central angle of a circle which intercepts an arc 80pie centimeter with the radius of the circle is 20 centimeter. tnx.

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Question 380942: find the central angle of a circle which intercepts an arc 80pie centimeter with the radius of the circle is 20 centimeter. tnx.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Use the formula . Since is unknown, then , so radians.
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