Instructional Video

What is a Parallelogram?

Curated and Reviewed by Lesson Planet

A rectangle, a rhombus, a square, a trapezoid - are any of these a parallelogram? What are the criteria that make a shape a parallelogram? It has something to do with parallel sides, congruent sides, and congruent angles. Help your young scholars figure out which one is not a parallelogram.

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