Difference between revisions of "Diagonal"
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| − | A '''diagonal''' of a [[polygon]] is any segment joining two [[vertex|vertices]] other than a side. | + | A '''diagonal''' of a [[polygon]] is any segment joining two [[vertex|vertices]] other than a side. |
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| + | [[Triangle]]s have no diagonals while [[convex]] [[quadrilateral]]s have two interior diagonals and [[concave]] quadrilaterals have on interior and one exterior diagonal. | ||
Revision as of 12:17, 12 July 2006
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A diagonal of a polygon is any segment joining two vertices other than a side.
Triangles have no diagonals while convex quadrilaterals have two interior diagonals and concave quadrilaterals have on interior and one exterior diagonal.
