We continued our work with parallelograms and proofs today. We now have five properties of parallelograms that we can use in proofs and to solve problems.
1. two pairs of opposite sides are congruent
2. two pairs of opposite angles are congruent
3. the diagonals bisect
4. two pairs of same side interior angles are supplementary
5. one pair of sides is both congruent and parallel
Assignment: proving parallelograms worksheet
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