11. lia Δ ABC and Δ DEF,AB-, DE, ABIDE, BCaEFand BC II EE Vertices A – InterviewSolution

1.	11. lia Δ ABC and Δ DEF,AB-, DE, ABIDE, BCaEFand BC II EE Vertices A, B and C are joined tovertices D, E and F respectively (see Fig 8.22).Show thato quadrilateral ABED is a parallelogram(a) quadrilateral BEFC is a parallelogram(ii) ADII CF and AD m CF(iv) quadrilateral ACFD is a parallelogramFig 8.22
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