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What Are Planar Figures?

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Introduction
Lines, Line Segments and Rays
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Edges, Vertices and Angles
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Acute, Obtuse and Right Angles
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Polygons
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Composite Figures
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Mirror Symmetry
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Rotational Symmetry
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Geometric Translation
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Perimeter

What Is Perimeter?

Learn how to find the perimeter of a polygon. Watch this video to learn the difference between the perimeter and circumference of planar figures.

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