# Geometry lesson 6.2

### By Jahna Belz

## Theorem 6 - 1

Opposite sides of a parallelogram are congruent.

## Theorem 6 - 2

Opposite angles of a parallelogram are congruent

## Theorem 6 - 3

The diagonals of a parallelogram bisect each other.

## Theorem 6 - 4

If three (or more) parallel lines cut off congruent segments on one transversal, then they cut off congruent segments on every transversal.