Dictionary
search :       browse : 
A B C D E F G H I J K L M
  N O P Q R S T U V W X Y Z
         
Description
Related Terms
Everyday Examples
Interactive Checkpoint
More Information
Challenge
How to use this dictionary
Contact
 Related Terms
 Polygon:  A closed figure formed by three or more line segments.
Convex: If, when you join any two points inside a figure, the resulting line segment also lies inside the figure, then the figure is convex.
Concave: If, when you join any two points inside a figure, the resulting line segment goes outside the figure, then the figure is concave. Also called nonconvex.
Closed Figure: A figure that can be traced with the same starting and stopping points, and without crossing or retracing any part of the figure. Any polygon is an example of a closed figure.
Equiangular: A shape whose angles are equal.
Equilateral: A shape whose sides are equal.
Irregular Polygon: A polygon whose interior angles are not equal and/or its sides are not equal in length.
Regular Polygon: A polygon that is equiangular (all angles are equal) and equilateral (all sides are equal).