Dab tsi yog coincident keeb kwm?
Dab tsi yog coincident keeb kwm?

Video: Dab tsi yog coincident keeb kwm?

Video: Dab tsi yog coincident keeb kwm?
Video: Dab Tsi Hem 2024, Kaum ib hlis
Anonim

Coincident keeb kwm yog keeb kwm uas yog sib npaug.

Tsis tas li ntawd, dab tsi yog ib qho coincident hauv geometry?

Tsis sib xws . Ob kab los yog cov duab uas nyob ncaj nraim rau saum ib leeg. Piv txwv li: ob kab no yog coincident , tsuas yog koj tsis tuaj yeem pom lawv ob leeg, vim lawv nyob saum ib leeg!

Tom qab, lo lus nug yog, dab tsi yog cov hauv paus hniav? Ntxiv mus, los ntawm kev hais tias qhov sib npaug muaj txawv txawv peb hais tias tag nrho cov keeb kwm (kev daws) ntawm qhov sib npaug tsis sib npaug rau ib leeg. Piv txwv li, qhov sib npaug muaj ob nyias keeb kwm uas yog 2 thiab -2. Raws li qhov sib npaug. muaj tseeb tiag ob keeb kwm , tab sis uas yog equaland yog -1 thiab -1.

Yog li, ua li cas koj thiaj paub yog tias ob kab yog coincident?

Ob tug nonvertical kab yog thaum uas tig mus yog thiab xwb yog lawv muaj tib txoj kab nqes. Ob kab tus lion saum ib leeg hu ua coincident kab . Kab uas intersect nyob rau hauv ib tug point yog hu ua intersecting kab.

Txoj kab sib tshuam yog dab tsi?

Kev sib tshuam kab yog ob kab uas qhia raws nraim ib qho point. Qhov chaw sib koom no hu ua point ofintersection. Txawm hais tias peb tab tom cuam tshuam tshwj xeeb nrog kab hauv zaj lus qhia no, kab ntu thiab sib tshuam qhov twg lawv sib koom ib qho ntsiab lus.

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