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Prove theorems about parallelograms. Theorems include: opposite sides are congruent, opposite angles are congruent, the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals.
Exercises from Illustrative Mathematics
A set of exercises, commentary, and solutions. For this unit, choose:
G-CO Midpoints of the Sides of a Paralellogram
G-CO Is this a parallelogram?
G-CO Parallelograms and Translations
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