Heptagon
In geometry, a heptagon is a polygon wi seven sides an seven angles. In a regular heptagon, in which aw sides an aw angles are equal, the sides meet at an angle o 5π/7 radians, 128.5714286 degrees. Its Schläfli seembol is {7}. The aurie (A) o a regular heptagon o side length a is gien bi
Regular heptagon | |
---|---|
A regular heptagon | |
Teep | Regular polygon |
Edges an vertices | 7 |
Schläfli seembol | {7} |
Coxeter diagram | |
Symmetry group | Dihedral (Dih7), order 2×7 |
Internal angle (degrees) | ° |
Dual polygon | self |
Properties | convex, cyclic, equilateral, isogonal, isotoxal |
The heptagon is an aa occasionally referred tae as the septagon, uisin "sept-" (an elision o septua-, a Laitin-derived numerical prefix, rather nor hepta-, a Greek-derived numerical prefix) thegither wi the Greek suffix "-agon" meanin angle).