Leej twg yog dav hlau seem?

Cov txheej txheem:

Leej twg yog dav hlau seem?
Leej twg yog dav hlau seem?

Video: Leej twg yog dav hlau seem?

Video: Leej twg yog dav hlau seem?
Video: sib aim zoo nyob heev thiaj aim 1 hnub 7 teg pob tai nteeb tag 2024, Lub peb hlis ntuj
Anonim

1. dav hlau seem - (geometry) cheeb tsam tsim los ntawm lub dav hlau txiav los ntawm cov khoom . section. thaj chaw saum npoo, nthuav dav, thaj chaw - thaj tsam ntawm 2-dimensional deg enclosed nyob rau hauv ib tug ciam teb; "qhov chaw ntawm ib daim duab plaub"; "nws yog thaj tsam li 500 square feet hauv cheeb tsam "

Dab tsi yog dav hlau seem hauv lej?

Vim li no, ntu dav hlau yog thaj tsam ntawm ntu ntu ntawm cov khoom hauv lub dav hlau txiav. … Ntau qhov tshwj xeeb tshaj yog, txiav cov dav hlau nrog qhov sib npaug ntawm daim ntawv z=k (dav hlau sib luag rau lub dav hlau xyov) tsim cov seem dav hlau uas feem ntau hu ua kab contour hauv cov ntawv thov.

Dab tsi yog qhov dav hlau ntawm ib lub sphere?

Lub dav hlau ntawm ib lub sphere yog ib lub voj voog. Qhov sib npaug ntawm tus kheej kheej thiab lub dav hlau coj los ua ke sawv cev rau seem dav hlau. Qhov nruab nrab M ntawm lub voj voog yog lub ntsiab lus ntawm kev sib tshuam ntawm lub dav hlau thiab kab CM uas hla dhau C thiab yog perpendicular rau lub dav hlau muab.

Lub ntsiab lus ntawm dav hlau nyob hauv yog dab tsi?

1: dav hlau. 2: ib tug nto nyob rau hauv uas yog hais tias ib tug ob lub ntsiab lus raug xaiv ib txoj kab ncaj nraim nrog lawv nyob rau hauv tag nrho cov nto. 3: Ib theem ntawm kev xav, kev muaj, lossis kev loj hlob Ob zaj dab neeg tsis nyob hauv tib lub dav hlau. 4: ib theem lossis tiaj tus dav dav kab rov tav.

Dab tsi yog seem hauv daim duab?

Ib ntu ntu yog kev xav txog kev txiav dav hlau siv los ntawm ib feem, nrog tus ntoo khaub lig hatch nrog nws. … Koj tuaj yeem tsim cov ntu ntu hauv ib feem thiab kev sib dhos, uas tuaj yeem siv los tso saib cov ntu ntawm cov khoom hauv cov duab kos.

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