Question

prove that in parellelogram opposite angles are equal​

Answer 1

in parallelogram opp angles are equal because it is quadrilateral conversely if the opp angles in a quadrilateral are equal then it is parallelogram two triangle are congruent which means angle a and angle b is equal

similarly angle b and angle c equal this proves that opp angels are equal in parallelogram.

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Answer 2

Answer:

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