ConceptAnother Condition for a Quadrilateral to Be a Parallelogram

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#### Question

In ΔABC and ΔDEF, AB = DE, AB || DE, BC = EF and BC || EF. Vertices A, B and C are joined to vertices D, E and F respectively (see the given figure). Show that

(i) Quadrilateral ABED is a parallelogram

(ii) Quadrilateral BEFC is a parallelogram

(iii) AD || CF and AD = CF

(iv) Quadrilateral ACFD is a parallelogram

(v) AC = DF

(vi) ΔABC ≅ ΔDEF.

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#### Reference Material

Solution for concept: Another Condition for a Quadrilateral to Be a Parallelogram. For the course CBSE