PQRS is a parallelogram The sides PQ and PS are produced to E and F respectively such that PQ - Maths - Congruency of Triangles

Question

PQRS is a parallelogram The sides PQ and PS are produced to E and F
respectively such that PQ =QE and PS =SF Prove that Triangle
QER=Triangle SRF

Ritesh Kumar · Accepted Answer

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PQRS is a parallelogram .The sides PQ and PS are produced to E and F respectively such that PQ =QE and PS =SF .Prove that Triangle QER=Triangle SRF