## Categories of quadrilaterals based on sides and angles.

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This concept teaches students to classify quadrilaterals in the coordinate plane.
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Learn how to classify different types of quadrilaterals by their angles and side lengths.
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Learn how to identify and classify quadrilaterals.
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• PLIX

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## Argyle Pattern

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• Video

This video gives more detail about the mathematical principles presented in Quadrilateral Classification.
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• Video

This video shows how to work step-by-step through one or more of the examples in Quadrilateral Classification.
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## Parallelograms in a Coordinate Plane

Learn about parallelograms in a coordinate plane.
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• Video

## Kites and Trapezoids

Learn to identify kites and trapezoids.
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• Critical Thinking

A list of student-submitted discussion questions for Quadrilateral Classification.
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• Real World Application

How many quadrilaterals can you identify and classify in the world around you?
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• Real World Application

## Traveling on Trapezoids

Find out why trapezoids are sometimes used in bridges.
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• Study Guide