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Understanding Polygons: Definitions, Examples, and Classifications

Explore the world of polygons, from their definition as plane figures formed by sides to their different shapes like convex and non-convex/concave. Learn about naming conventions based on the number of sides and discover various examples.

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Understanding Polygons: Definitions, Examples, and Classifications

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  1. 1.6 Classify Polygons Definition Definition Polygon A polygon is a plane figure that is formed by three or more segments called sides, such that no two sides with a common endpoint are collinear, and each side intersects exactly two other sides, one at each endpoint. Each endpoint is called a vertex of the polygon Examples of Polygons

  2. No: All sides must be straight No: All sides must be straight Yes

  3. Names Names Polygon Names A polygons name depends on the number of sides it has

  4. Descriptions Descriptions Describing Polygons A polygons description depends on its shape Convex: No line that contains a side of the polygon contains a point in the interior of the polygon Non-Convex/Concave: A polygon that is not convex Examples

  5. Hexagon Concave Heptagon Heptagon Concave Convex

  6. Heptagon BCDEFGADEFGABC

  7. Homework #7 P. 44: 1-10, 14-21, 24, 25, 32-40, 43-53 odd

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