Qhov txawv ntawm perpendicular thiab parallel yog dab tsi?
Qhov txawv ntawm perpendicular thiab parallel yog dab tsi?

Video: Qhov txawv ntawm perpendicular thiab parallel yog dab tsi?

Video: Qhov txawv ntawm perpendicular thiab parallel yog dab tsi?
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Parallel cov kab muaj tib txoj kab nqes thiab yuav tsis sib tshuam. Parallel kab txuas ntxiv, lus, mus ib txhis yam tsis tau kov (piv txwv tias cov kab no nyob rau tib lub dav hlau). Ntawm qhov tod tes, txoj kab nqes ntawm perpendicular kab yog qhov tsis zoo ntawm ib leeg, thiab ib khub ntawm cov kab no sib tshuam ntawm 90 degrees.

Ntxiv mus, dab tsi yog qhov txawv ntawm cov kab perpendicular thiab parallel?

Ob kab hais tias yog thaum uas tig mus thaum lawv sib npaug ntawm ib leeg thiab yuav tsis cuam tshuam lossis kov. Hauv cov ntsiab lus yooj yim, txoj kab nqes ntawm ob kab sib npaug yog sib npaug. Txoj kab nqes ntawm kab perpendicular , ntawm qhov tod tes, yog qhov tsis zoo reciprocals ntawm ib leeg lub ntsiab lus kab hla ib leeg ntawm lub kaum sab xis.

Tsis tas li ntawd, ua li cas koj thiaj li nco qab thaum uas tig mus thiab perpendicular? Parallel kab zoo li txoj kev tsheb ciav hlau; lawv yeej ib txwm sib nrug deb, khiav ntawm ib sab. Ib qho yooj yim mus nco ntsoov qhov txawv ntawm parallel thiab perpendicular kab yog saib cov l's hauv thaum uas tig mus . Parallel cov kab zoo ib yam li ob lub l hauv lawv lub npe!

Xav txog qhov no, qhov piv txwv perpendicular yog dab tsi?

Perpendicular - Txhais nrog Piv txwv Ob kab sib txawv ntawm ib leeg ntawm 90 ° lossis lub kaum sab xis yog hu ua perpendicular kab. Piv txwv : AB is perpendicular rau XY vim AB thiab XY sib tshuam ntawm 90 °. Tsis- Piv txwv : Ob kab yog sib npaug thiab tsis sib tshuam.

Kuv yuav ua li cas thiaj paub tias kab yog perpendicular?

Perpendicular kab sib tshuam ntawm txoj cai kaum rau ib leeg. Rau xav tias ob qhov sib npaug yog perpendicular , mus saib lawv cov nqes hav. Qhov chaw siab tshaj ntawm kab perpendicular yog opposite reciprocals ntawm ib leeg. Lawv cov khoom yog -1!

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