6.InFig.I,OisthecentreofthecirclewithchordsAPandBPbeingproducedtoRandn – InterviewSolution

1.

6.InFig.I,OisthecentreofthecirclewithchordsAPandBPbeingproducedtoRandndI ZQPR 35, find the measure of ZAOB35°

Answer»

∠APB =∠RPQ = 35°

Now,∠AOB and∠APB are angles subtended by an arc AB at centre and at the remaining part of the circle .

∴∠AOB = 2∠APB = 2× 35° = 70°

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