Definition: A quadrilateral is a polygon with 4 side. Ib kab pheeb ces kaum ntawm lub quadrilat-eral yog ib kab segment uas nws cov ntsiab lus kawg yog opposite vertices ntawm lub quadrilateral.
daim duab 4 sab hu li cas?
A quadrilateral yog ib lub voj voog uas muaj plaub sab. (Qhov no kuj txhais tau hais tias ib lub quadrilateral muaj raws nraim plaub vertices, thiab raws nraim plaub lub ces kaum.)
Dab tsi polygon muaj 4 sab?
daim duab no hu ua rhombus. Tag nrho plaub sab yog qhov sib npaug ntawm qhov ntev, thiab ob qho tib si ntawm qhov sib txawv ntawm qhov sib npaug.
5 sab zoo li cas?
In geometry, a pentagon (los ntawm Greek πέντε pente lub ntsiab lus tsib thiab γωνία gonia lub ntsiab lus lub kaum sab xis) yog tsib-sided polygon lossis 5-gon. Cov txiaj ntsig ntawm cov kaum sab hauv hauv ib qho yooj yim pentagon yog 540 °. Lub pentagon tej zaum yuav yooj yim los yog kev sib tshuam ntawm tus kheej. Ib tus kheej-kev sib tshuam tsis tu ncua pentagon (los yog lub hnub qub pentagon) hu ua pentagram.
Daim duab rau sab hu ua dab tsi?
Hauv geometry, a hexagon (los ntawm Greek ἕξ, hex, txhais tau tias "rau", thiab γωνία, gonía, lub ntsiab lus "kab, lub kaum") yog ib tug rau-sided polygon. lub 6-gon. Tag nrho cov kaum sab hauv ntawm ib qho yooj yim (tsis yog tus kheej-kev sib tshuam) hexagon yog 720 °.
