Cov txheej txheem:
Video: Dab tsi yog 2d geometric duab?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov hom pib ntawm 2d zoo yog lub voj voog, daim duab peb sab, square, duab plaub, pentagon, quadrilateral, hexagon, octagon, thiab lwm yam. Sib nrug ntawm lub voj voog, tag nrho cov cov duab uas muaj sab suav hais tias yog polygons . Xws li lub voj voog, lub ellipse kuj yog ib qho tsis muaj polygon puab.
Kuj nug, dab tsi yog qhov yooj yim geometric duab?
Lub ntsiab geometric dav hlau daim duab yog:
- Lub voj voog.
- Daim duab peb sab.
- Rectangle.
- Lub Rhombus.
- Lub Square.
- Lub Trapezoid.
Tsis tas li ntawd, muaj pes tsawg 2d duab muaj? 2D Cov duab
| Daim duab peb sab - 3 Sab | Square - 4 Sab |
|---|---|
| Pentagon - 5 Sab | Hexagon - 6 sab |
| Heptagon - 7 Sab | Octagon - 8 Sab |
| Nonagon - 9 Sab | Decagon - 10 Sab |
| Ntau | |
Khaws qhov no hauv kev xav, dab tsi yog 2d duab nrog piv txwv?
Txhua daim duab uas tuaj yeem muab tso rau ntawm ib daim ntawv lossis ib lub dav hlau ua lej yog 2D duab. Raws li ib tug me nyuam, koj thawj cov duab kos tej zaum yuav siv cov duab yooj yim, xws li squares, daim duab peb sab , thiab lub voj voog . Tam sim no koj tuaj yeem pom 2D duab hauv ntiaj teb nyob ib puag ncig koj. Piv txwv ntawm 2D duab muaj xws li duab plaub, octagons, thiab txawm lub siab.
Puas yog cov duab geometric 2d lossis 3d?
Koj tuaj yeem saib nws thiab qhov ntawd yog hais txog nws! Koj nyuam qhuav kawm qhov txawv ntawm a 2D puab thiab a 3D duab . Lub voj voog yog ob-dimensional ( 2D ) puab . Nws tsuas muaj ob qhov kev ntsuas, xws li qhov ntev thiab qhov siab, thiab feem ntau hu ua 'flat' puab.
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