11./fn Δ ABCand Δ DEF. ABEDE, AB 11 DE, BCEFand BC II EF. Vertices A, B and C are joined tovertices D, E and F respectively (see Fig. 8.22)Show that0) quadrilateral ABED is a parallelogram(ii) quadrilateral BEFC is a parallelogram(ii) AD II CF and AD CFFig. 8952(iv) quadrilateral ACFD is a parallelogranm(v) AC DF(vi) Δ ABC= Δ DEF.igog

11./fn Δ ABCand Δ DEF. ABEDE, AB 11 DE, BCEFand BC II EF. Vertices A

1.	11./fn Δ ABCand Δ DEF. ABEDE, AB 11 DE, BCEFand BC II EF. Vertices A, B and C are joined tovertices D, E and F respectively (see Fig. 8.22)Show that0) quadrilateral ABED is a parallelogram(ii) quadrilateral BEFC is a parallelogram(ii) AD II CF and AD CFFig. 8952(iv) quadrilateral ACFD is a parallelogranm(v) AC DF(vi) Δ ABC= Δ DEF.igog
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