Vim li cas ho tsis tuaj yeem ib kab ntu muaj ob qhov nruab nrab?
Vim li cas ho tsis tuaj yeem ib kab ntu muaj ob qhov nruab nrab?

Video: Vim li cas ho tsis tuaj yeem ib kab ntu muaj ob qhov nruab nrab?

Video: Vim li cas ho tsis tuaj yeem ib kab ntu muaj ob qhov nruab nrab?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Nruab nrab ntawm a kab ntu

Tsuas yog ib kab ntu ua tau muaj ib qhov nruab nrab . A kab tsis tuaj yeem txij li nws mus rau indefinitelyin ob qho tib si cov lus qhia, thiab yog li ntawd muaj tsis muaj qhov nruab nrab . Ib raycannot vim nws muaj tsuas yog ib qho kawg, thiab li no tsis muaj qhov nruab nrab . Thaum a kab txiav lwm tus kab rau hauv ob qhov sib npaug nws yog hu ua bisector.

Raws li kev sib raug zoo, cov kab ntu puas tuaj yeem muaj 2 qhov nruab nrab?

Tsis yog A kab segment muaj ob qhov kawg, thiab cov qhov nruab nrab yog ib nrab ntawm lawv. Tus lej ua tsis tau muaj ntau tshaj ib nrab, thiab tib txoj kev, a kab kab ua tsis tau muaj ntau tshaj ib qhov nruab nrab.

Ib yam li ntawd, qhov midpoint ua li cas rau ib ntu? Hauv geometry, lub midpoint yog nruab nrab point ntawm kab ntu . Nws yog equidistant los ntawm ob qhov kawg, thiab nws yog cov centroid ob ntu thiab ntawm cov ntsiab lus kawg. Nws bisects ntu.

Kuj Paub, muaj pes tsawg ntu muaj qhov nruab nrab 2?

Teb thiab piav qhia: Ib kab ntu muaj raws nraim ib qhov nruab nrab . Hauv geometry, ib kab ntu yog ib txoj kab nrog ob qhov kawg. Cov qhov nruab nrab ntawm ib kab ntu yog qhov point

Dab tsi yog qhov nruab nrab ntawm ib kab segment qauv?

Cov qhov nruab nrab yog qhov point ntawm qhov ntu ib nrab ntawm cov ntsiab lus kawg. Nws yuav yog rooj plaub uas tus qhov nruab nrab ntawm a ntu tuaj yeem pom yooj yim bycounting. Yog tias ntu yog kab rov tav lossis ntsug, koj tuaj yeem nrhiav tau qhov nruab nrab los ntawm kev faib qhov ntev ntawm cov ntu los ntawm 2 thiab suav tus nqi ntawd los ntawm ob qho ntawm qhov kawg.

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