In Δ ABC and Δ DEF, AB DE, AB 11 DE.BC EF and BC II EF. Vertices A, B and Care joined to vertices D, E and Frespectively (see Fig. 7.22). Show that(i) quadrilateral ABED is a parallelogram(ii) quadrilateral BEFC is a parallelogram(iii) AD 11 CF and AD CF(iv) quadrilateral ACFD is a parallelogram(v) AC DF(vi) Δ ABC Δ DEF.Fig.

In Δ ABC and Δ DEF, AB DE, AB 11 DE.BC EF and BC II EF. Vertices A,

1.	In Δ ABC and Δ DEF, AB DE, AB 11 DE.BC EF and BC II EF. Vertices A, B and Care joined to vertices D, E and Frespectively (see Fig. 7.22). Show that(i) quadrilateral ABED is a parallelogram(ii) quadrilateral BEFC is a parallelogram(iii) AD 11 CF and AD CF(iv) quadrilateral ACFD is a parallelogram(v) AC DF(vi) Δ ABC Δ DEF.Fig.
Answer»