Posts tagged parallel sides
Measures of parallelograms, including angles, sides, and diagonals
Measures of parallelograms, including angles, sides, and diagonals

A parallelogram is a quadrilateral that has opposite sides that are parallel. So if opposite sides of a quadrilateral are parallel, then the quadrilateral is a parallelogram. Parallelograms have opposite interior angles that are congruent, and the diagonals of a parallelogram bisect each other.

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