Chapter 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.
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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.
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