In the figure,O is the centre of a circle. angleAOP = 30°.Find:(a) m(are AQ) (b) m(arc AQP).
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In a circle angle subtended by any chord on opposite sides are supplementary.
So m(arcAPC)+m(arcABC)=180
o
So m(arcABC)=180
o
−60
o
=120
o
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