Loading...
Parallelograms
A
B
C
D
E
. . . .

Sufficient Conditions for Quadrilaterals to Be Parallelograms

Theorem. Converse of the following: The diagonals of a parallelogram bisect each other.
If the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram.

Given:
Quadrilateral ABCD, where diagonals AC __ and BD ___ bisect each other
Prove: Quadrilateral ABCD is parallelogram.


Proof: