# geometry

posted by
**Anonymous** on
.

E,F MID POINTS OF AB AND CD PROVE THAT EF=1/2(AE+BC)+EF||AD+EF||BC HERE ABCD IS A TRAPIZIUM

posted by
**Anonymous** on
.

E,F MID POINTS OF AB AND CD PROVE THAT EF=1/2(AE+BC)+EF||AD+EF||BC HERE ABCD IS A TRAPIZIUM