Question

Let ABCD be a cyclic quadrilateral where AB||CD prove that ∠ABC = ∠BCD.​

Answer 1

Answer:

In triangle ABC and BCD

AB = CD ( given )

AO = OC ( comman point )

BO = OD ( comman point )

ABC =BCD ( SSS postulate )

angle ABC = angle BCD ( CPCT )

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