Proving the Properties of Quadrilaterals

Quadrilaterals include parallelograms, rectangles, rhombi, squares, trapezoids, and isosceles trapezoids. These quadrilaterals share many of the same characteristics, but also have unique characteristics. In this video, you will learn how to prove the properties of quadrilaterals by focusing on the characteristics that set each of the figures apart. Click the player button to begin.

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Using Direct Proofs to Prove the Properties of Quadrilaterals Review

Now that you have learned how to use direct proofs to prove the properties of quadrilaterals, review your knowledge in this interactivity. Click the player button to get started.