Congruent vs Similar
Hauv kev ua lej, cov ntsiab lus 'zoo ib yam' thiab 'congruent' feem ntau yog siv nrog cov duab dav hlau. Lawv piav txog kev sib raug zoo ntawm cov duab. Kev txheeb xyuas qhov zoo sib xws lossis kev sib koom ua ke ntawm ob lossis ntau daim duab yuav pab tau rau hauv kev suav thiab tsim cov haujlwm uas muaj cov duab.
Similar
Ob daim duab tau hais tias zoo ib yam, yog tias lawv muaj tib lub cev. Txawm li cas los xij, lawv yuav txawv me me. Yog li ntawd, thaj tsam ntawm ob lub dav hlau zoo sib xws yuav tsis sib npaug. Piv txwv li, ob daim duab peb sab tau hais tias zoo sib xws, yog tias lawv cov kaum sab xis sib npaug, lossis qhov sib piv ntawm lawv cov hauv paus sib npaug sib npaug. Peb tuaj yeem kos infinitely ntau cov duab peb sab zoo sib xws nrog cov ces kaum sib npaug tab sis muaj qhov sib txawv. Muaj peev xwm ua tau zoo ib yam, me dua, lossis loj dua ntawm daim duab zoo sib xws piv rau qhov qub. Cov cim '=or ˜' yog siv los qhia txog qhov zoo sib xws. Peb tuaj yeem ua ib daim duab zoo sib xws ntawm daim duab muab los ntawm kev muab nws txhua sab los ntawm tib tus lej. Piv txwv li, thaum koj loj ib daim duab los yog thaum koj shrunk ib daim duab los ua ib tug swb, koj tau ua ib tug zoo xws li cov duab.
Kev sib haum xeeb
Ob daim duab yog qhov sib xws, yog tias lawv zoo sib xws hauv cov duab, nrog rau, qhov loj me. Yog li ntawd, nyob rau hauv ob daim duab congruent tag nrho cov sib raug cov ces kaum thiab qhov ntau thiab tsawg ntawm cov coj hauv paus yog sib npaug rau ib leeg. Yog li ob daim duab, uas yog congruent, yog raws nraim tib yam. Peb tuaj yeem tsim ib daim duab sib xyaw rau ib daim duab los ntawm kev tig tus thawj. Lub cim los sawv cev kev sib koom ua ke yog '≡'.
Qhov sib txawv ntawm Kev Sib Tham thiab Zoo Li Cas?
· Cov duab zoo sib xws yog tib yam hauv cov duab, thaum cov duab sib xws yog tib yam ntawm ob qho tib si thiab loj.
· Cov cheeb tsam ntawm ob daim duab zoo sib xws yuav txawv. Txawm li cas los xij, thaj chaw ntawm ob daim duab sib npaug sib npaug.
· Qhov sib piv ntawm ob sab sib txuas ntawm ob daim duab zoo sib xws. Qhov sib piv ntawm qhov sib thooj ntawm ob daim duab sib xyaw yog ib txwm ib.
