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1.6 Classify Polygons. Identifying Polygons. Formed by three or more line segments called sides. It is not open. The sides do not cross. No curves. NOT POLYGONS. POLYGONS. Terms. - PowerPoint PPT Presentation
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1.6 Classify 1.6 Classify PolygonsPolygons
Identifying PolygonsIdentifying Polygons• Formed by three or more line
segments called sides.• It is not open.• The sides do not cross.• No curves.
POLYGONS
NOT POLYGONS
TermsTerms• Convex: a polygon is convex if no line that
contains a side of the polygon contains a point in the interior of the polygon.
•Concave: a polygon that is nonconvex.
Classifying PolygonsClassifying PolygonsNumber of
SidesType of Polygon Number of
SideType of Polygon
3 Triangle 8 Octagon
4 Quadrilateral 9 Nonagon
5 Pentagon 10 Decagon
6 Hexagon 12 Dodecagon
7 Heptagon n n-gon
DefinitionsDefinitions• n-gon: a polygon with n number of
sides.• Equilateral: a polygon whose sides
are all congruent.• Equiangular: a polygon whose
angles are all congruent.• Regular: a polygon whose sides are
equilateral and whose angles are equiangular.