Definition of the center of a polygon
|
|
Math Open Reference
|
|
A discussion and example of how the interior and exterior angles of a polygon are related, especially when the polygon is concave.
|
|
Math Open Reference
|
|
Polygon definition and properties
|
|
Math Open Reference
|
|
Definition and properties of parallel lines
|
|
Math Open Reference
|
|
|
|
Definition and properties of a nonagon (enneagon)
|
|
Math Open Reference
|
|
Definition and properties of a hexagon
|
|
Math Open Reference
|
|
Definition and properties of a heptagon
|
|
Math Open Reference
|
|
Four different ways to test if polygons are congruent.
|
|
Math Open Reference
|
|
Questions and answers from experts.
|
|
Ask Dr. Math
|
|