The Total solution for NCERT class 6-12
D and E are points onsides AB and AC respectively of ╬ФABC such that
ar(DBC) = ar (EBC). Prove that DE || BC.
Since ╬ФBCE and ╬ФBCD arelying on a common base BC and also have equal areas, ╬ФBCE and ╬ФBCD will liebetween the same parallel lines.
тИ┤ DE || BC