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Properties of Parallelograms. Section 5-1. Definition of a Parallelogram. A parallelogram is a quadrilateral where opposite sides are parallel. Opposite sides of a Parallelogram. Opposite sides of a parallelogram are congruent. 8. 5. 5. 8. Opposite angles of a Parallelogram.
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Properties of Parallelograms Section 5-1
Definition of a Parallelogram • A parallelogram is a quadrilateral where opposite sides are parallel.
Opposite sides of a Parallelogram • Opposite sides of a parallelogram are congruent. 8 5 5 8
Opposite angles of a Parallelogram • Opposite angles of a parallelogram are congruent. • Consecutive angles are supplementary 100 80 80 100
Diagonals of a Parallelogram • Diagonals of a parallelogram bisect each other 11 8 11 8