Qhov piv txwv duab plaub yog dab tsi?
Qhov piv txwv duab plaub yog dab tsi?

Video: Qhov piv txwv duab plaub yog dab tsi?

Video: Qhov piv txwv duab plaub yog dab tsi?
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Lub ntsiab txhais ntawm a duab plaub yog plaub-sidedfigure lossis duab nrog plaub txoj cai kaum uas tsis yog square. Ib piv txwv ntawm a duab plaub yog cov duab ntawm ib daim duab 8x10.

Hais txog qhov no, ob qho piv txwv ntawm ib daim duab plaub yog dab tsi?

Daim duab plaub . Lub 4-sided tiaj tus duab nrog straightsides qhov twg tag nrho cov sab hauv yog txoj cai kaum (90 °). Tsis tas li ntawd sab nraud yog parallel thiab sib npaug ntev. Piv txwv : Asquare yog ib hom tshwj xeeb ntawm duab plaub.

Tsis tas li ntawd, qhov piv txwv ntawm square yog dab tsi? A square yog kaw, ob-dimensional zoo nrog 4 sib npaug sab. A square yog quadrilateral. Peb tuaj yeem pom qhov zoo li ib square nyob rau hauv ib lub rooj sib tham ua si los yog chess board, lub phab ntsa thiab hauv ib lub khob cij, nyob ib ncig ntawm peb. Properties ntawm a Square : A square muaj 4 sab thiab 4vertices.

Ib yam li ntawd, tib neeg nug, koj txhais li cas ntawm daim duab plaub?

Hauv Euclidean dav hlau geometry, a duab plaub yog aquadrilateral nrog plaub txoj cai kaum. Nws ua tau kuj txhais tau tias yog ib qho quadrilateral equiangular, txij li equiangular txhais tau tias tias tag nrho nws cov ces kaum yog sib npaug (360 ° / 4 = 90 °). Nws ua tau kuj txhais tau tias yog ib qho parallelogram uas muaj ib txoj cai.

Qhov ntsuas ntawm ib daim duab plaub yog dab tsi?

Lub kaum sab xis ntawm a duab plaub tag nrho cov congruent (qhov loj me thiab ntsuas .) Nco ntsoov tias lub kaum sab xis 90 degree hu ua "lub kaum sab xis." Yog li ntawd, a duab plaub muaj plaub txoj cai.

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