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Video: Dab tsi ntxiv koj tuaj yeem hu ua lub duab plaub?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hauv Euclidean dav hlau geometry, a duab plaub yog aquadrilateral nrog plaub txoj cai kaum. Nws ua tau kuj ua txhais raws li ib equiangular quadrilateral, vim equiangular txhais tau hais tias tag nrho nws cov ces kaum sib npaug (360 ° / 4 = 90 °). Nws ua tau kuj ua txhais tau tias yog parallelogram uas muaj lub kaum sab xis.
Tsis tas li ntawd nug, dab tsi lwm lub npe tuaj yeem hu ua daim duab plaub?
Lwm lub npe ntawm duab plaub Raws li tag nrho cov ces kaum ntawm a duab plaub peb kuj sib npaug hu nws yog quadrilateral equiangular. Vim nws muaj qhov sib npaug sab, peb ua tau kuj hu Nws yog ib tug parallelogram. Ib parallelogram yog ib lub plaub fab uas nws opposite sab yog sib npaug thiab parallel.
Tsis tas li ntawd, lub kaum sab xis hu ua slanted yog dab tsi? Qhov feem ntau recognizable parallelogram yog square; Txawm li cas los, ib tug parallelogram yuav ua tau ntau yam duab: lub pob zeb diamond puab yog agood piv txwv ntawm ib tug rhombus. Lub rhomboid muaj plaub sab sib npaug. Theopposite sab sib npaug, tab sis cov ces kaum tsis tsim cov ces kaum. Xav txog ib duab plaub uas yog tig.
Ntawm no, qhov sib txawv ntawm cov duab plaub yog dab tsi?
Muaj tsib hom quadrilaterals
- Parallelogram.
- Daim duab plaub.
- Square.
- Rhombus.
- Trapezium.
Cov duab plaub puas yog polygon?
Polygons yog cov duab ntau sab, nrog rau sab uas yog kab ntu. Polygons muaj npe raws li cov lej ntawm sab thiab cov ces kaum lawv muaj. Tus paub zoo tshaj plaws polygons yog daim duab peb sab, cov duab plaub , thiab square. Ib txwm polygon yog ib qho uas muaj vaj huam sib luag.
Pom zoo:
Ib daim duab plaub puas muaj plaub lub kaum sab xis?
Ib daim duab plaub muaj ob khub ntawm qhov sib npaug ntawm qhov sib npaug, thiab plaub lub kaum sab xis. Nws kuj yog ib qho parallelogram, vim nws muaj ob khub ntawm qhov sib luag. Ib lub xwmfab muaj ob khub ntawm qhov sib npaug, plaub lub kaum sab xis, thiab tag nrho plaub sab sib npaug. Tsis yog, vim lub rhombus tsis tas yuav tsum muaj 4 lub kaum sab xis
Dab tsi yog plaub lub zog uas tuaj yeem cuam tshuam qhov teeb meem?
Plaub lub zog tseem ceeb yog lub zog gravitational, lub zog hluav taws xob, lub zog tsis muaj zog nuclear, thiab lub zog muaj zog nuclear
Dab tsi yog qhov txawv ntawm lub xeev daim duab kos duab thiab daim duab ua haujlwm?
Lub xeev daim duab qauv yog siv los qhia qhov sib lawv liag ntawm lub xeev uas ib yam khoom mus dhau, qhov ua rau kev hloov ntawm ib lub xeev mus rau lwm qhov thiab qhov kev txiav txim uas tshwm sim los ntawm lub xeev hloov. Daim duab ua haujlwm yog ntws ntawm kev ua haujlwm yam tsis muaj qhov tshwm sim (kev tshwm sim) mechanism, lub xeev tshuab yog suav nrog lub xeev triggered
Dab tsi yog ob txoj hauv kev uas lub zog hluav taws xob ntawm ob qho khoom them tuaj yeem nce ntxiv?
Nyob rau hauv electrostatics, hluav taws xob quab yuam ntawm ob yam khoom them yog inversely cuam tshuam rau qhov kev ncua deb ntawm kev sib cais ntawm ob yam khoom. Ua kom qhov kev sib cais deb ntawm cov khoom txo qis lub zog ntawm kev nyiam los yog kev tawm tsam ntawm cov khoom
Qhov twg ntawm cov plaub hau plaub hau yog ib txwm plaub hau plaub hau?
square Tsis tas li ntawd nug, qhov ntsuas ntawm ib lub quadrilateral tsis tu ncua yog dab tsi? Yog, sab hauv lub kaum sab xis ntawm txhua lub ces kaum ntawm ib lub quadrilateral tsis tu ncua yog txhua 90 degrees (360 degrees / 4 fab).