Ib lub polygon tsis tu ncua yog polygon qhov ntev ntawm txhua sab yog tib yam thiab tag nrho cov kaum sab hauv yog sib npaug. … Yog li, nws tsis muaj peev xwm kom muaj ib tug polygon nrog txhua sab sib npaug thiab lub kaum sab xis siab dua 180 degrees. Yog li no, ntau ntau ntau yam tsis tau concave.
Yuav ua li cas thiaj ua tau ib txwm?
Qee cov kab pheeb ces kaum ntawm lub concave polygon yuav pw sab nraum lub polygon. Nyob rau hauv daim duab ntawm sab xis, kab pheeb ces kaum nyob rau sab saum toj ntawm lub polygon yog sab nraum lub polygon qhov chaw sab hauv. … Regular Polygons yeej tsis concave los ntawm txhais.
Puas yog ib qho polygon concave lossis convex?
Regular convex polygons. Txhua yam yooj yim polygons (ib qho yooj yim polygon yog ib qho uas tsis cuam tshuam nws tus kheej nyob qhov twg) yog convex. Cov muaj pes tsawg sab kuj zoo sib xws.
Puas tsis yog polygon ua concave?
Ib qho irregular polygon yog ib lub polygon uas tsis yog ib tug ntau zaus. Nws tuaj yeem muaj ob sab ntawm txhua qhov ntev thiab txhua lub kaum sab hauv tuaj yeem yog qhov ntsuas. Lawv tuaj yeem ua convex lossis concave, tab sis tag nrho cov concave polygons tsis sib xws vim cov ces kaum sab hauv tsis tuaj yeem zoo ib yam.
Dab tsi yog qhov concave polygon?
Polygon (Concave) Lub concave polygon yog ib qho polygon uas tsis yog tag nrho cov kaum sab hauv me me dua li lub kaum sab xis (180 °). Lub concave polygon yog ib lub polygon uas muaj tsawg kawg yog ib lub kaum sab hauv loj dua li lub kaum sab xis. More.
