Point e is the midpoint of side
bc
of parallelogram abcd, and point f is the midpoint of side
ad
. prove that quadrilateral afce is a parallelogram.

triangle abf = triangle (blank) by rule (blank)

Step-by-step explanation:

Prove that AC and BD have the same midpoint. The diagonals of a parallelogram bisect each other; therefore, they have the same midpoint.

ummm seems that u didnt post the attachement !