Video: Dab tsi yog qhov sib thooj yog congruent?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov khoom sib thooj ntawm Kev sib haum xeeb Daim duab peb sab yog Kev sib haum xeeb
Nws txhais tau hais tias yog ob trangles paub tias yog kev sib haum xeeb , ces tag nrho sib raug angles/sab kuj kev sib haum xeeb . Piv txwv li, yog 2 daim duab peb sab kev sib haum xeeb los ntawm SSS, ces peb kuj paub tias cov ces kaum ntawm 2 daim duab peb sab yog kev sib haum xeeb.
Tib neeg kuj nug, dab tsi tuaj yeem hais txog qhov sib thooj ntawm cov duab sib xws?
Cov duab sib xws yog zoo tib yam nyob rau hauv loj, puab thiab ntsuas. Cov sib raug sab nruab nrab ntawm ob daim duab peb sab yog sab nyob rau tib txoj hauj lwm txheeb ze. Ob cov duab zoo ib yam yog lawv muaj tib yam puab , tab sis tsis tas qhov loj me.
Qhov thib ob, puas yog cov lus hais txog qhov sib thooj ntawm daim duab peb sab sib koom ua ke? Kev sib haum xeeb ntawm daim duab peb sab . Ob triangles yog congruent yog lawv sib raug sab yog sib npaug ntawm qhov ntev, thiab lawv sib raug cov ces kaum sib npaug hauv kev ntsuas.
Yog li ntawd, qhov sib txawv ntawm kev sib raug zoo thiab kev sib haum xeeb yog dab tsi?
Raws li adjectives qhov sib txawv ntawm kev sib raug zoo thiab kev sib haum xeeb . yog tias sib raug yog tias muaj kev sib raug zoo sib xws thaum kev sib haum xeeb yog sib raug hauv tus cwj pwm.
Puas yog cov kab sib txuas sib txuas?
Yog ob kab sib npaug yog txiav los ntawm ib tug transversal, cov ces kaum sib raug kev sib haum xeeb . Yog ob kab yog txiav los ntawm ib tug transversal thiab cov ces kaum sib raug kev sib haum xeeb , cov kab yog parallel . Sab hauv Angles ntawm Tib Sab ntawm Transversal: Lub npe yog ib qho kev piav qhia ntawm "qhov chaw" ntawm cov ces kaum no.
Pom zoo:
Dab tsi yog qhov txawv ntawm qhov sib txawv ntawm qhov sib txawv thiab qhov sib txawv ntawm qhov ntab?
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Dab tsi yog qhov sib thooj ntawm daim duab peb sab sib dhos?
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Dab tsi yog qhov sib thooj ntawm daim duab peb sab congruent?
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Dab tsi yog qhov sib txawv ntawm cov kab lus sib npaug thiab qhov sib npaug sib npaug?
Cov kab lus sib npaug muaj qhov muaj txiaj ntsig zoo ib yam tab sis tau nthuav tawm nyob rau hauv ib hom ntawv sib txawv uas siv cov khoom ntawm cov lej xws li ax + bx = (a + b) x yog cov kab lus sib npaug. nruj me ntsis, lawv tsis yog 'sib npaug', yog li peb yuav tsum siv 3 kab sib luag hauv 'sib npaug' es tsis yog 2 raws li qhia ntawm no