Difference between revisions of "Concave polyhedron"

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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.
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A '''concave polyhedron''' is a [[polyhedron]] with the property that there exist 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==
*[[Convex polyhedron]]
 
 
*[[Concave polygon]]
 
*[[Concave polygon]]
  
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[[Category:Definition]]
 
[[Category:Definition]]
 
[[Category:Geometry]]
 
[[Category:Geometry]]
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Latest revision as of 21:24, 25 April 2008

A concave polyhedron is a polyhedron with the property that there exist 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

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