Talk:Internal angle

From Wikipedia, the free encyclopedia

You have new messages (last change).

"The sum of the internal angles of a polygon on a Euclidean plane with n vertices (or equivalently, n sides) is (n − 2)180 degrees."

??? Isn't this true only for CONVEX polygons?

No. --Spoon! 21:14, 23 February 2007 (UTC)
Retrieved from "http://en.wikipedia.org../../../i/n/t/Talk%7EInternal_angle_c73d.html"