cheeb tsam ntawm ib tug tsis tu ncua polygon tsis tu ncua polygon Ib tug li niaj zaus hexagon yog txhais raws li a hexagon uas yog ob qho tib si equilateral thiab equiangular. … Los ntawm qhov no nws tuaj yeem pom tau tias daim duab peb sab nrog lub vertex nyob rau hauv nruab nrab ntawm qhov tsis tu ncua hexagon thiab sib koom ib sab nrog lub hexagon yog sib npaug, thiab tias cov hexagon li niaj zaus tuaj yeem muab faib ua rau rau ntawm daim duab peb sab sib npaug. https://en.wikipedia.org › wiki › Hexagon
Hexagon - Wikipedia
tuaj yeem pom siv tus qauv, Area=(ntau sab × ntev ntawm ib sab × apothem)/2.
Koj ua li cas xam thaj tsam ntawm qhov tsis xwm yeem polygon?
Yuav kom pom thaj tsam ntawm qhov tsis xwm yeem polygon koj yuav tsum xub cais cov duab rau hauv cov polygons tsis tu ncua, lossis cov duab dav hlau. Tom qab ntawd koj siv cov qauv hauv cheeb tsam polygon tsis tu ncua los nrhiav thaj tsam ntawm txhua tus ntawm cov polygons. Cov kauj ruam kawg yog ntxiv tag nrho cov cheeb tsam ua ke kom tau tag nrho cheeb tsam ntawm qhov tsis xwm yeem polygon.
thaj tsam ntawm N-sided polygon yog dab tsi?
Ntau tus qauv sau zoo li no: Area=1/2(ap), qhov twg ib qho qhia txog qhov ntev ntawm qhov apothem, thiab p denotes lub perimeter. Thaum ib tug n-sided polygon tau muab faib ua n daim duab peb sab, nws cheeb tsam yog sib npaug rau cov sum ntawm cov cheeb tsam ntawm daim duab peb sab.
Dab tsi yog thaj tsam ntawm ib lub voj voog uas muaj 6 sab?
Thaj chaw ntawm ib qho xwm txheej tsis tu ncua yog muab los ntawm tus qauv: Area=(a x p)/2, qhov twg a yog qhov ntev ntawm apothem thiab p yog thaj tsam ntawm polygon. Txuas tus nqi ntawm athiab p hauv cov qauv thiab tau txais thaj chaw. Ua piv txwv, cia peb siv lub hexagon (6 sab) nrog ib sab (s) ntev ntawm 10.
Yuav ua li cas koj pom thaj tsam ntawm 5 sided polygon?
Tus qauv yooj yim uas siv los nrhiav thaj tsam ntawm lub pentagon yog, Area=5/2 × s × a; qhov twg 's' yog qhov ntev ntawm sab ntawm lub pentagon thiab 'a' yog lub apothem ntawm lub pentagon.