Question

D and E are points on sides AB and AC respectively of ∆ABC such that ar (DBC) = ar EBC) prove that DE||BC


XY is a line parallel to side BC of a triangle ABC. If BE||AC and CF||AB meet xy at E and F respectively, show that​

Answer 1

Answer:

hope this will helpful to you..

Answer 2

Answer:

∆ DBC and ∆ EBC are on the same base BC and also having equal areas.

therefore ,they will lie between the same parallel lines.

therefore ,

DE||BC