Lesson 6.2

By Georgia Blodgett

Theorem 1

This theorem states that opposite sides of a parallelogram are congruent.
Big image
Big image

Theorem 2

This states that opposite angles of a parallelogram are congruent.
Big image
Proof: Theorem 2

Sal proves that opposite angles of a parallelogram are congruent.

Theorem 3

The diagonals of a parallelogram bisect each other.

Big image
Big image

Theorem 4

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

Big image
Big image