Tus 'poly-' ua ntej tsuas yog txhais tau tias 'ntau', yog li lub polygon yog ib qho duab nrog ntau sab, tib yam li ' polygamy' txhais tau tias muaj ntau tus txij nkawm. Muaj cov npe rau ntau hom polygons, thiab feem ntau yog cov naj npawb ntawm sab tseem ceeb dua lub npe ntawm cov duab.
Dab tsi yog 11 sab hu ua?
In geometry, a hendecagon (kuj undecagon lossis endecagon) lossis 11-gon yog kaum ib-sab polygon. (Lub npe hendecagon, los ntawm Greek hendeka " kaum ib" thiab -gon "kab", feem ntau nyiam rau cov hybrid undecagon, uas thawj feem yog tsim los ntawm Latin undecim " kaum ib ")
13 sab zoo li cas hu ua?
A 13-sided polygon, qee zaum kuj hu ua triskaidecagon.
7 sab zoo li cas?
In geometry, a heptagon yog ib tug xya-sab polygon lossis 7-gon. Lub heptagon yog qee zaum hu ua septagon, siv "sept-" (ib qho kev tshem tawm ntawm septua-, Latin-los ntawm cov lej ua ntej, tsis yog hepta-, Greek-los ntawm cov lej ua ntej; ob qho tib si yog cognate) ua ke nrog cov lus Greek. "-agon" meaning angle.
28 sab zoo li cas hu ua?
In geometry, an icosioctagon (los yog icosikaioctagon) lossis 28 -gon yog nees nkaum yim sab polygon. Tus lej ntawm ib qho icosioctagon lub kaum sab hauv yog 4680 degrees.
