Video: Muaj pes tsawg sab muaj lub voos xwmfab thiab cuboid?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Ob leeg cubes thiab cuboids muaj rau lub ntsej muag, 12 edgesand yim vertices, los yog kaum . Txhua ntug yog sib koom los ntawm ob lub ntsej muag. Ntawm txhua qhov vertex, peb lub ntsej muag koom ua ke.
Khaws qhov no saib, pes tsawg sab muaj lub voos xwmfab?
6 ib fim
Ib tug kuj yuav nug, lub voos xwmfab thiab cuboid yog dab tsi? Kub thiab kub tsuas muaj ib qho txawv, cov duab ntawm rau lub ntsej muag. Txhua lub ntsej muag ntawm a kub yog square, thiab tag nrho cov ntsej muag yog sib npaug ntawm qhov loj. Ntawm qhov tod tes, txhua lub ntsej muag ntawm a kub yog cov duab plaub, thiab tsuas yog 4 sab yuav yog qhov sib npaug. Lub voos xwmfab . Cuboid.
Ua raws li qhov xav tau, muaj pes tsawg lub ntsej muag muaj lub voos xwmfab thiab cuboid?
Hauv ib kub muaj 6 daim duab plaub ntug. Muaj 8 ntsug thiab 12 ntug . A kub kuj yog ib kub muaj tag nrho nws 6 ntsej muag sib npaug thiab square. Yog li ntawd, a kub muaj tag nrho rau ntsej muag zoo ib yam, whereas a kub muaj qhov opposite ntsej muag zoo ib yam.
Muaj pes tsawg lub cuboid muaj nyob rau hauv 3d?
rau
Pom zoo:
Dab tsi yog qhov kev sib raug zoo ntawm thaj chaw saum npoo thiab ntim ntawm lub voos xwmfab?
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