Video: Dab tsi yog qhov txawv ntawm oblong thiab oval?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thaum " oval "yog txhais tau tias yog "muaj daim ntawv dav dav, zoo li, lossis cov qauv ntawm lub qe," " oblong "yog txhais tias "elongated, feem ntau yog los ntawm daim ntawv square lossis ncig." Ib oval tuaj yeem muab cais ua ib qho oblong los yog elongated lub voj voog. Oblong Cov khoom tuaj yeem ua tau elongated voj voog, xws li ovals, tab sis tuaj yeem ua elongated squares.
Tsis tas li ntawd, cov duab ntawm oblong yog dab tsi?
oblong. Yog koj coj ib duab plaub los yog a lub voj voog thiab ncab nws tawm, koj xaus nrog ib tug elongated duab hu ua oblong. Yog koj stretch a lub voj voog mus ua ib tug oval , koj tau ua nws oblong.
Ib yam li ntawd, koj puas tuaj yeem siv daim ntaub oblong ntawm lub rooj oval? Koj siv tau ib yam oblong / daim duab plaub ntaub pua rooj cover ib oval rooj . (Kuj: Banquet loj rooj yog dav ntxiv, thiab yuav siv ib daim ntaub loj uas yog 70 hauv dav.)
Kuj paub, qhov txawv ntawm oblong thiab duab plaub yog dab tsi?
A duab plaub yog ib qho parallelogram nrog plaub lub kaum sab xis, txhua qhov ntsuas 90 degrees. Oblong txhais tau tias yog elongated, feem ntau yog los ntawm square lossis ncig daim ntawv. Thaum xa mus rau a duab plaub , oblong tuaj yeem piav raws li thaum ib pawg ntawm cov kab sib dhos ntev ntev dua li lwm cov txheej txheem.
Puas yog qe oblong?
Ib oval (los ntawm Latin ovum, " qe ") yog qhov nkhaus kaw nyob rau hauv lub dav hlau uas "loosely" zoo li tus qauv ntawm ib qho qe . Lub sij hawm tsis yog tshwj xeeb, tab sis nyob rau hauv qee qhov chaw (projective geometry, kev kos duab, thiab lwm yam) nws tau muab cov ntsiab lus meej dua, uas yuav suav nrog ib lossis ob lub axes ntawm symmetry.
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