Ib tug kheej kheej yog ib qho zoo kawg nkaus-round3D shape hauv cov duab ntawm lub pob. Tag nrho cov ntsiab lus ntawm nws qhov chaw yog qhov sib npaug (qhov sib npaug ntawm qhov sib npaug) los ntawm nws qhov chaw, txhais tau tias nws yog tus du thiab muaj noedgesorvertices.
Vim li cas sphere 3D?
Ib tus kheej kheej yog puag ncig. Nws yog 3D duab uas muaj tag nrho cov ntsiab lus ntawm nws qhov chaw kom sib npaug ntawm nws qhov chaw. … Nws muaj ib lub vojvoog, txoj kab uas hla, ib ncig, ntim, thiab cheeb tsam saum npoo. Txhua qhov taw qhia ntawm tus kheej yog nyob ntawm qhov sib npaug ntawm qhov chaw.
Puas yog tus kheej kheej 2d lossis 3D duab?
3D khoom suav nrog kheej kheej, lub voos xwmfab, cuboid, pyramid, cone, prism, lub tog raj kheej.
3D duab txhais li cas?
3D duab yog duab nrog peb qhov ntev, xws li dav, qhov siab thiab qhov tob. Ib qho piv txwv ntawm cov duab 3D yog lub prism lossis ib tug kheej kheej. Cov duab 3D muaj ntau qhov sib txawv thiab tuaj yeem tuav lub cev.
Puas yog ib qho sphere yuav tsum yog 3D?
Ib lub ntsej muag yog lub ntsej muag tiaj tus lossis nkhaus ntawm daim duab 3D. Piv txwv li ib lub voos xwmfab muaj rau lub ntsej muag, lub tog raj kheej muaj peb thiab ib lub voj voog tsuas muaj ib qho.
