(b) In ther given figure O is the centre ofthe circle, given ARST-57e. – InterviewSolution

1.

(b) In ther given figure O is the centre ofthe circle, given ARST-57e. Find (O 4 POR (i) refex POR 13]

Answer»

Angle PSR=180⁰-57⁰=123⁰(linear pair)so angle PQR=180⁰-123⁰=57⁰(The sum of opposite angles in a cyclic quadrilateral is 180⁰)

Reflex POR=2*123⁰=246⁰.

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