Question

in the given fig.
AB II CD

, M AND N ARE MID POINT OF AD AND BC .

PROVE THAT MN II AB​

Answer 1

Answer:

given that:

m and n are midpoints of and and BC

r.t.p:

MN||AB

proof:

ab=DC

∆dab=∆cba

DM/ma=cn/nb ( by bpt )

hence MN||AB

hence proved