In fig., a sector OAP of a circle is shown with centre Ocontaining 20. – InterviewSolution

1.	In fig., a sector OAP of a circle is shown with centre Ocontaining 20. AB is perpendicular to the radius OAand meets OP produced at B. Prove that the perimeterof shaded region is r-l tan Î¸ + sec Î¸ + 100-11[All India 2016]o0A
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