Sṳ̍p-yit piên-hìn
外觀
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Regular_polygon_11_annotated.svg/390px-Regular_polygon_11_annotated.svg.png)
Sṳ̍p-yit piên-hìn (Yîn-ngî: Hendecagon) he Sṳ̍p-yit piên chhòng, Sṳ̍p-yit kok thai ke Tô-piên-hìn. Nui-kok vì 147.2727°. Ngiâ piên-chhòng vì , mien-chit . Chang Sṳ̍p-yit piên-hìn he kiú-kok siông-tén.
Chang Sṳ̍p-yit piên-hìn chhak-kûi chok-thù
[phiên-siá | kói ngièn-sṳ́-mâ]![Chang Sṳ̍p-yit piên-hìn.](http://upload.wikimedia.org/wikipedia/commons/thumb/1/10/Approximated_Hendecagon_Inscribed_in_a_Circle.gif/450px-Approximated_Hendecagon_Inscribed_in_a_Circle.gif)