Kev txhais thiab kev tsim kho. Nws yog theorem hauv Euclidean geometry uas peb lub kaum sab hauv lub kaum sab xis ntawm daim duab peb sab sib ntsib hauv ib qho taw tes… thiab los ntawm peb kab uas muaj cov ntu ntawd.
Tus qauv ntawm incenter yog dab tsi?
Dab tsi yog qhov Incenter ntawm Daim duab peb sab kaum? Cia E, F, thiab G yog cov ntsiab lus uas lub kaum sab xis ntawm C, A, thiab B hla sab AB, AC, thiab BC, raws li. The formula is ∠AIB=180° – (∠A + ∠B)/2.
Lub incenter siv rau dab tsi?
Txhua daim duab peb sab muaj qhov nruab nrab, thiab nws ib txwm nyob hauv daim duab peb sab. Ib txoj hauv kev los nrhiav lub incenter ua rau siv cov cuab yeej uas lub incenter yog kev sib tshuam ntawm peb lub kaum sab xis, siv kev sib koom tes geometry los txiav txim siab qhov chaw incenter.
Koj siv tus qauv incenter li cas?
Incenter of a Triangle Properties
Yog kuv yog incenter ntawm daim duab peb sab ABC, ces ∠BAI=∠CAI, ∠BCI=∠ACI thiab ∠ABI=∠CBI(siv lub kaum sab xis bisector theorem). Ob sab ntawm daim duab peb sab yog tangents rau lub voj voog, thiab yog li, EI=FI=GI=r hu ua inradii ntawm lub voj voog lossis vojvoog ntawm incircle.
Dab tsi yog incenter hauv geometry?
: lub ntsiab lus uas peb lub bisectors ntawm sab hauv lub kaum sab xis ntawm daim duab peb sab sib tshuam thiab qhov twg yog qhov nruab nrab ntawm lub voj voog inscribed.
