A circle has a radius of 15ft . Find the length s of the arc intercepted by a central angle of 8

Algebra
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A circle has a radius of 15ft . Find the length

of the arc intercepted by a central angle of 81° .

Jun 11th, 2015

Thank you for the opportunity to help you with your question!

length of arc = r times angle in radians = r X angle 

81 degrees = pi/180 * 81 = 1.414 radians

length of arc = 15 X 1.414=21.21 ft

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 11th, 2015

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