(a) Find the radius of the circle if its sector with a central angle = ...

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(a) Find the radius of the circle if its sector with a central angle θ = ½ radian has an area A = 9m2.
(b) A car’s wheels are 70cm in diameter. What is the sppeed of the car, in km/hour, if the wheels rotate at 180 revolutions per minute?

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Calculus

ISBN: 978-0131429246

9th edition

Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon

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Question Posted: Aug 26, 2013 07:48 AM

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(a) Find the radius of the circle if its sector with a central angle = ...

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a Area of a sector 2 R 2 2 R 2 9 122R ...View the full answer

Calculus

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