Difference between revisions of "Concave polyhedron"

m
m
Line 1: Line 1:
A '''concave polyhedron''' is a polyhedron such that you can select two [[point]]s inside it such that the [[line segment]] drawn between them intersects the border at least twice. At least one of a concave polyhedron's [[face]]s is a concave polygon.
+
A '''concave polyhedron''' is a polyhedron such that you can select two [[point]]s inside it such that the [[line segment]] drawn between them contains points not in the polyhedron. In other words, a polyhedron is concave exactly when it is not [[convex polyhedron | convex]].
 +
 
  
 
==See Also==
 
==See Also==

Revision as of 07:55, 25 April 2008

A concave polyhedron is a polyhedron such that you can select two points inside it such that the line segment drawn between them contains points not in the polyhedron. In other words, a polyhedron is concave exactly when it is not convex.


See Also

This article is a stub. Help us out by expanding it.