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Prove that in a parallelogram opposite …

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Prove that in a parallelogram opposite angles are equal

Posted by Pushkar Pawar 7 years, 11 months ago

CBSE > Class 09 > Mathematics

2 answers

Khushi Singh 7 years, 11 months ago

First prove that ABD ≡ CDB using the SAS congruence test. First prove that ABM ≡ CDM using the SAS congruence test. (alternate angles are equal): Hence ABCD is a parallelogram, because one pair of opposite sides are equal and parallel.

2Thank You

Rishabh Verma 7 years, 11 months ago

Draw a diagonal now you get two triangles apply s.s.s. rule of congrency By C.P.C.T. YOU CAN PROVE IN PARALLELOGRAM OPPOSITE ANGLES ARE EQUAL

3Thank You

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CBSE > Class 09 > Mathematics