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CBSE Class 10 Answered

Two circles intersect each other at A and B. Prove that the angle subtended by the common tangent PQ at A and B are supplementary
Asked by rushabh1234 | 07 Feb, 2019, 10:24: PM
answered-by-expert Expert Answer
angle APQ = Angle PBA......angles in alternate segment
angle AQP = Angle ABQ......angles in alternate segment
also in triangle APQ
angle PAQ  +  angle APQ +  angle AQP = 180
angle PAQ  +  angle PBA +  angle ABQ = 180
angle PAQ  +  angle PBQ = 180
Answered by Arun | 08 Feb, 2019, 11:09: AM

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