### Using Properties of Parallelograms | Geometry How To Help

In this video math lesson on the properties of parallelograms, I discuss several theorems related to parallelograms. Opposite sides of a parallelogram are congruent. Consecutive angles of a parallelogram are supplementary. Opposite angles of a parallelogram are congruent. The diagonals of a parallelogram bisect each other. Parallel lines congruent segments theorem.

Length:
15:55