Theorem: Txhua daim duab peb sab yog voj voog, piv txwv li txhua daim duab peb sab muaj circumscribed voj voog los yog voj voog.
Daim duab peb sab puas tsis muaj qhov ntsuas qhov ntsuas?
Lub voj voog tsis yog ib txwm nyob hauv daim duab peb sab. Qhov tseeb, nws tuaj yeem nyob sab nraud ntawm daim duab peb sab, xws li nyob rau hauv rooj plaub ntawm daim duab peb sab obtuse, lossis nws tuaj yeem poob ntawm qhov nruab nrab ntawm lub hypotenuse ntawm daim duab peb sab. Saib cov duab hauv qab no rau cov piv txwv ntawm qhov no.
Yuav ua li cas 3 yam ua ib ncig?
Lub Circumcenter ntawm daim duab peb sab
Lub ntsiab lus uas peb lub voj voos ntawm daim duab peb sab sib ntsib. Ib qho ntawm daim duab peb sab cov ntsiab lus ntawm concurrency.
Dab tsi daim duab peb sab muaj ib ncig?
Properties of Circumcenter
In an acute-angled triangle, circumcenter lies nyob rau hauv daim duab peb sab. Hauv daim duab peb sab obtuse-angled, nws nyob sab nraum daim duab peb sab. Circumcenter nyob ntawm qhov nruab nrab ntawm lub hypotenuse sab ntawm daim duab peb sab sab xis.
Pob daim duab peb sab obtuse muaj ib ncig?
Lub voj voog ntawm daim duab peb sab obtuse ib txwm nyob sab nraum daim duab peb sab. Lub voj voog ntawm ib daim duab peb sab yog sab hauv, ntawm, lossis sab nraud ntawm daim duab peb sab, thiab nws txav mus thiab nqis. 4. INCENTER(I) ntawm daim duab peb sab yog qhov taw tes rau sab hauv ntawm daim duab peb sab uas yog sib npaug ntawm peb sab.
