Question

☆SEEKING CONTENT QUALITY ANSWERS ☆
answer it honestly and in detail
best answer will get the most brainiliest answer.

Answer 1

as e is mid point of ab ae=eb-----1
and as f is mid point of CD cf=df------2
given that ae=df------3
this implies from the above 3 relations that
ae=eb=df=cf
so ae+eb=df+cf
hence ab=cd