Math, asked by mesanamubarak1197, 1 year ago

A sector OAP of a circle with centre O containing angle theta. AB is perpendicular to the radius OA and meets OP produced at B.prove that the perimeter of shaded region is r(tan theta +sec theta +pi theta /180 -1).

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Answered by SharifBanda

1

wrong question
this question need a fig.

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