Geometry Lesson 6.2
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