Difference between revisions of "Diagonal"
From Encyclopedia of Mathematics
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| − | The segment of the straight line connecting two vertices of a polygon (polyhedron) which do not lie on the same side (face). If the number of vertices of a polygon is | + | {{TEX|done}} |
| + | The segment of the straight line connecting two vertices of a polygon (polyhedron) which do not lie on the same side (face). If the number of vertices of a polygon is $n$, the number of its diagonals is $n(n-3)/2$. | ||
Latest revision as of 22:22, 11 April 2014
The segment of the straight line connecting two vertices of a polygon (polyhedron) which do not lie on the same side (face). If the number of vertices of a polygon is $n$, the number of its diagonals is $n(n-3)/2$.
How to Cite This Entry:
Diagonal. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Diagonal&oldid=14241
Diagonal. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Diagonal&oldid=14241
This article was adapted from an original article by E.V. Shikin (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article