Ex 10.2, 1 - Recall that two circles are congruent if - Ex 10.2

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Ex 9.1, 1 Recall that two circles are congruent if they have the same radii. Prove that equal chords of congruent circles subtend equal angles at their centres. Given: Two congruent circles C1 & C2 AB is the chord of C1 & PQ is the chord of C2 AB = PQ To prove: Angle subtended by chords are equal i.e. AOB = PXQ Proof: In AOB & PXQ AO = PX BO = QX AB = PQ AOB PXQ AOB = PXQ

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.