Cov txheej txheem:
Video: Dab tsi yog ib daim duab ntau sab hu ua?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
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.
Pom zoo:
Puas yog daim duab peb sab sib npaug yog daim duab peb sab?
No, ib daim duab peb sab tsis tuaj yeem yog daim duab peb sab sib npaug . Puas yog daim duab peb sab sib npaug yog daim duab peb sab txoj cai piav qhia koj cov lus teb? Daim duab peb sab sib npaug tsis tuaj yeem yog daim duab peb sab yogQhov no ua rau kev nkag siab vim tias lub kaum sab xis ntsuas hauv ib daim duab peb sab, tsis yog daim duab peb sab sib npaug, sib npaug 180 degrees.
Dab tsi yog daim duab peb sab dub?
Dub daim duab peb sab hu ua qhib gingival embrasures tuaj yeem tsim ntawm koj cov hniav thaum koj cov pos hniav rub tawm ntawm koj cov hniav. Hnub nyoog, txoj kev kho hniav hnyav, kab mob ntawm cov pos hniav, cov pob txha poob, thiab qhov loj thiab cov duab ntawm koj cov hniav thiab cov pos hniav tuaj yeem pab tsim cov duab peb sab .
Dab tsi yog daim duab xya sab?
Ib tug heptagon yog ib tug xya-sided polygon. Nws kuj yog qee zaum hu ua septagon, txawm hais tias qhov kev siv no sib xyaw ua ke Latin prefix sept- (los ntawm septua-, lub ntsiab lus "xya") nrog cov lus Greek -gon (los ntawm gonia, lub ntsiab lus "
Nyob rau hauv ib lub kaum sab xis daim duab peb sab r yog sib npaug?
Txoj Kev: Cov qauv rau kev xam qhov ntsuas ntawm lub kaum sab xis ntawm daim duab peb sab tuaj yeem muab tau raws li r=(P + B - H) / 2 Thiab peb paub tias thaj tsam ntawm ib qho lub voj voog yog PIr 2 qhov twg PI=22 / 7 thiab r yog lub vojvoog ntawm lub voj voog.
Puas yog daim duab uas tsis yog sawv cev zoo ib yam nrog cov duab kos duab?
kos duab kos duab ib txwm txuas nrog qee yam pom los ntawmlub ntiaj teb tiag. … Kev kos duab uas tsis yog sawv cev tsuas yog piav txog cov duab, xim, kab, thiab lwm yam, tab sis kuj tseem tuaj yeem nthuav tawm yam uas tsis pom tau - kev xav lossis kev xav piv txwv .
