Heptagon

Oddi ar Wicipedia
Jump to navigation Jump to search
Heptagon Rheolaidd
Heptagon.svg
Heptagon Rheolaidd
Ymylon a fertigau 7
Symbol Schläfli {7}
Diagram Coxeter–Dynkin CDW ring.pngCDW 7.pngCDW dot.png
Grŵp cymesuredd Deuhedrol (D7)
Arwynebedd
(gyda t=hyd yr ymyl)

Ongl mewnol
(gradd)
128.5714286°

Mewn geometreg, mae heptagon yn bolygon sydd â saith ochr a saith ongl.


Polygonau

Triongl | Pedrochr | Pentagon | Hecsagon | Heptagon | Octagon | Nonagon | Decagon | Hendecagon | Dodecagon | Triskaidecagon | Tetradecagon | Pentadecagon | Hexadecagon | Heptadecagon | Octadecagon | Enneadecagon | Icosagon | Chiliagon | Myriagon


E-to-the-i-pi.svg Eginyn erthygl sydd uchod am fathemateg. Gallwch helpu Wicipedia drwy ychwanegu ato