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Dab tsi yog kaum sib law liag?

Cov txheej txheem:

Dab tsi yog kaum sib law liag?
Dab tsi yog kaum sib law liag?

Video: Dab tsi yog kaum sib law liag?

Video: Dab tsi yog kaum sib law liag?
Video: txiv laus nkawv 2 leeg aim kuv pem teb paum os tag 2024, Tej zaum
Anonim

Thaum ob kab raug txiav los ntawm kev hloov pauv, ob lub kaum sab xis ntawm ib sab ntawm kev hloov pauv thiab sab hauv ob kab yog hu ua cov kaum sab hauv sib law liag. Hauv daim duab, cov ces kaum 3 thiab 5 yog cov kaum sab hauv sib law liag.

Ua cov kaum sib law liag sib npaug 180?

Lub "kev sib txuas sab hauv lub kaum sab xis" hais tias yog kev hloov pauv cuam tshuam ob kab sib luag, txhua khub ntawm cov kaum sab hauv sib law liag yog ntxiv, uas yog, lawv cov lej yog 180 °.

sib law liag txhais li cas hauv geometry?

Thaum transversals hla ob kab sib npaug, lawv tsim ob qhov sib npaug ntawm cov ces kaum. Cov ces kaum uas yuav ntxiv (nrog ib leeg, hauv qhov no) ntawm ib sab ntawm kev hloov pauv yog hu ua sib law liag.

Cov kaum sib law liag nyob rau hauv cov duab yog dab tsi?

Kab sib law liag

Keeb hauv ib tug polygon uas qhia ib ntu raws li ib sab uas yuav ncua mus rau hauv ib tug ray.

Puas sib law liag sib npaug?

Puas Lub Kaum Ob Hlis Ntuj sib npaug? No, sib law liag tsis sib npaug. Lawv qhov ntsuas kub yog 180 degrees. Tib qho xwm txheej thaum lawv tuaj yeem sib npaug yog nyob rau hauv ib lub duab plaub lossis thaum lub transversal cuam tshuam nrog ob kab sib npaug ntawm 90 degrees kaum.

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