<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (August 2012) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (August 2012) (Learn how and when to remove this template message) </Td> </Tr> <P> In geometry, three or more than three straight lines (or segment of a line) make a polygon and an equilateral polygon is a polygon which has all sides of the same length . Except in the triangle case, it need not be equiangular (need not have all angles equal), but if it does then it is a regular polygon . If the number of sides is at least five, an equilateral polygon need not be a convex polygon: it could be concave or even self - intersecting . </P> <P> All regular polygons and isotoxal polygons are equilateral . </P>

A polygon with all sides the same length is said to be