Yam khoom twg yuav raug tsim los ntawm Net?
Yam khoom twg yuav raug tsim los ntawm Net?

Video: Yam khoom twg yuav raug tsim los ntawm Net?

Video: Yam khoom twg yuav raug tsim los ntawm Net?
Video: Koj Tsuas Zoo Tham Xwb Tsis Zoo Yuav - Maiv Xis Hawj (Official MV 2023) 2024, Kaum ib hlis
Anonim

Yog li thaum lub net yog folded, nws tsim lub pyramid.

Xav txog qhov no, lub Net Shown yuav tsim dab tsi?

A net yog dab tsi 3D (peb-dimensional) zoo li yuav zoo li yog tias nws tau qhib tawm tiaj tus. Piv txwv li, ntawm no yog lub voos xwmfab: Yog tias lub voos xwmfab no tau ua los ntawm daim ntawv lossis daim npav, qhov no yog qhov nws yuav zoo li qhib tawm tiaj tus: Qhov no yog hu ua net o kub.

Tsis tas li ntawd, dab tsi 3d duab no ua? Daim vis dis aus no qhia txog kev tsim cov net rau ib daim duab plaub pyramid thiab daim duab peb sab prism los ntawm 3-d duab. Lub net ntawm ib qho khoom yog ib daim duab 2-dimensional uas tuaj yeem muab tais rau hauv cov khoom ntawd. Daim vis dis aus no yuav qhia cov nets ntawm lub voos xwmfab, lub tog raj kheej thiab lub khob hliav qab.

Yog li ntawd, dab tsi yog ib tug net ntawm ib tug ruaj khov daim duab?

Ib tug geometry net yog 2-dimensional puab uas tuaj yeem folded los ua 3-dimensional puab los yog a khov kho . Los yog a net yog ib tug qauv ua thaum nto ntawm ib tug peb-dimensional daim duab yog nteg tawm tiaj uas qhia txhua lub ntsej muag ntawm tus daim duab . A khov kho tej zaum yuav txawv nets.

Dab tsi yog cov khoom sib txawv?

Lawv yog: Rectangular prism - a daim duab uas muaj rau sab, hu ua ntsej muag, uas yog cov duab plaub. Kub - a daim duab uas muaj rau lub ntsej muag uas yog tag nrho cov squares ntawm tib qhov loj. Cone - ib daim duab uas muaj lub ntsej muag ncig ntawm ib kawg, hu ua lub hauv paus, thiab ib qho taw tes ntawm lwm qhov kawg qhov twg ob sab sib ntsib.

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