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9.13: Regular and Irregular Polygons

Difficulty Level: At Grade Created by: CK-12
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    Vocabulary

    Congruent

    Congruent figures are identical in size, shape and measure.

    Decagon

    A decagon is a ten sided polygon.

    Heptagon

    A heptagon is a seven sided polygon.

    Hexagon

    A hexagon is a six sided polygon.

    Irregular Polygon

    An irregular polygon is a polygon with non-congruent side lengths.

    Nonagon

    A nonagon is a nine sided polygon.

    Octagon

    An octagon is an eight sided polygon.

    Pentagon

    A pentagon is a five sided polygon.

    Polygon

    A polygon is a simple closed figure with at least three straight sides.

    Regular Polygon

    A regular polygon is a polygon with all sides the same length and all angles the same measure.

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    Date Created:
    Oct 29, 2012
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    Aug 16, 2016
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