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Discover the characteristics of parallelograms, from opposite sides and angles to diagonal properties. Learn how to identify a parallelogram and understand its unique attributes.
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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