Quadrilaterals and Triangles

Quadrilaterals and Triangles

Author: Graham Pardun
This lesson explains what properties quadrilaterals share with triangles.
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Quadrilaterals vs. Triangles

In this lesson, I compare and contrast quadrilaterals and triangles to help deepen your understanding of what quadrilaterals are, and why they are awesome (in ways both similar to and different from the ways in which triangles are awesome).