Video: Dab tsi yog sab ntawm lub hexagon hu ua?
2024 Tus sau: Edward Hancock | [email protected]. Kawg hloov kho: 2023-12-16 01:32
Hexagon . Hauv geometry, a hexagon (los ntawm Greek ?ξ hex, "rau" thiab γωνία, gonía, "kab, lub kaum sab xis") yog 6-sided polygon lossis 6-gon. Tag nrho ntawm cov kaum sab hauv ntawm ib qho yooj yim (tsis yog tus kheej-kev sib tshuam) hexagon yog 720°.
Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog ob sab ntawm ib tug hexagon li niaj zaus?
Properties ntawm a Tsis tu ncua Hexagon : Nws muaj rau sab thiab rau lub kaum sab xis. Lengths ntawm tag nrho cov sab thiab kev ntsuas ntawm txhua lub kaum sab xis yog sib npaug. Tag nrho cov diagonals hauv a tsis tu ncua hexagon yog 9. Tus lej ntawm tag nrho cov kaum sab hauv yog sib npaug rau 720 degrees, qhov twg txhua lub kaum sab hauv ntsuas 120 degrees.
Tom qab, lo lus nug yog, dab tsi yog ib qho khoom rau sab hu ua? A rau - sab cov duab yog hexagon, ib tug xya- sab zoo li heptagon, thaum lub octagon muaj yim sab … Muaj ntau lub npe rau ntau hom polygons, thiab feem ntau yog tus naj npawb ntawm sab tseem ceeb tshaj lub npe ntawm cov duab. Ib lub polygon tsis tu ncua muaj qhov ntev sib npaug sab nrog cov kaum sib npaug ntawm txhua sab.
Ntxiv mus, dab tsi yog qhov ntev ntawm lub hexagon?
Yog tias koj kos peb kab pheeb ces kaum hauv ib txwm hexagon tus hexagon muab faib ua 6 equilateral triangles. Txij li koj hexagon yog 10 meters hla, txhua daim duab peb sab muaj qhov siab ntawm 5 meters. Kuv kos ib daim duab peb sab hauv qab no. Yog li cov ntev ntawm txhua tus sab ntawm hexagon yog 5m77cm35m.
Puas yog txhua sab ntawm lub hexagon yog tib qhov ntev?
Yog li, qhov sib npaug ntawm cov kaum sab hauv ntawm a hexagon yog 720 degree. Txhua sab yog cov tib ntev (congruent) thiab tag nrho cov ces kaum sab hauv yog cov tib qhov loj (kev sib haum xeeb).
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