Download presentation
Presentation is loading. Please wait.
Published byDenis Cox Modified over 8 years ago
1
16.01 Classifying Polygons
2
A polygon is a closed figure with three or more sides. Examples of Polygons Examples of Non – Polygons
3
Polygons can be named or classified by its number of sides. 3 - SidesTriangle 4 - SidesQuadrilateral 5 - SidesPentagon 6 - Sides 7 - Sides 8 - Sides 10 - Sides 12 - Sides Hexagon Heptagon Octagon Decagon Dodecagon
4
There are convex and concave polygons. To determine if a polygon is convex or concave, use the rubber band test. The rubber band test says a polygon is convex if a rubber band is stretch around a figure and the rubber band has the shape as the figure. If it is not the same shape, then the figure is concave.
5
Determine if the polygon is convex or concave. convex concave convex
6
Some polygons are equilateral. All the sides are equal. Some polygons are equiangular. All the angles are equal. If a polygon is both equilateral and equiangular, then it is called a regular polygon. Example:A Square Since a square is both equilateral and equiangular, then it’s a regular quadrilateral.
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.