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View Full Version : Determine the type of a polygon



laland
10-23-2006, 10:48 AM
Hey,

What is th algorithm to determine whether a polygon is concave or convex?
How do we use the idea of computing the determinant of a 3 3 matrix to
check the polygon type huh?

Thanks

jalarie
10-23-2006, 05:00 PM
http://www.google.com/search?hl=en&q=polygon+concave+convex+determinant+matrix&btnG=Google+Search



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