Cov txheej txheem:
- Puas yog daim duab peb sab scalene qhov ntev tshaj plaws yog opposite lub kaum sab xis nrog qhov loj tshaj plaws ntsuas?
- Dab tsi yog sab ntawm daim duab peb sab scalene hu ua?
- Koj ua li cas txiav txim siab qhov ntev tshaj plaws ntawm daim duab peb sab?
- Vim li cas sab ntev ntawm daim duab peb sab yog lub kaum sab xis loj tshaj?
Video: Nyob hauv daim duab peb sab scalene sab ntev?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Nyob rau hauv txhua daim duab peb sab, sab shortest yog opposite lub kaum tsawg tshaj plaws thiab lub ntev sab yog opposite lub kaum loj tshaj.
Puas yog daim duab peb sab scalene qhov ntev tshaj plaws yog opposite lub kaum sab xis nrog qhov loj tshaj plaws ntsuas?
Nco ntsoov tias hauv daim duab peb sab scalene, txhua sab muaj qhov ntev sib txawv thiab txhua lub kaum sab hauv muaj qhov ntsuas sib txawv. Nyob rau hauv xws li ib daim duab peb sab, lub shortest sab yog ib txwm opposite lub me tshaj lub kaum sab xis. (Cov no yog qhia nyob rau hauv bold xim saum toj no) Ib yam li ntawd, sab ntev yog opposite lub kaum loj tshaj plaws.
Dab tsi yog sab ntawm daim duab peb sab scalene hu ua?
Ib daim duab peb sab yog scalene yog tias tag nrho nws peb sabsib txawv (qhov twg, peb lub ces kaum kuj txawv). Yog tias ob ntawm nws sab sib npaug, daim duab peb sab hu ua isosceles. Daim duab peb sab uas muaj peb sab sib npaug yog hu ua equilateral.
Koj ua li cas txiav txim siab qhov ntev tshaj plaws ntawm daim duab peb sab?
Sab ntev tshaj plaws nyob rau hauv daim duab peb sab yog tawm tsam lub kaum loj tshaj plaws, thiab sab luv tshaj yog ntxeev lub kaum me tshaj.
Vim li cas sab ntev ntawm daim duab peb sab yog lub kaum sab xis loj tshaj?
Raws li koj twv, lub kaum loj tshaj plaws yuav yog tawm tsam 18 vim nws yog sab ntev tshaj. … Theorem: Yog tias ib sab ntawm daim duab peb sab ntev dua li lwm sab, ces lub kaum sab nraud ntawm sab ntev yuav loj dua lub kaum sab nraud ntawm sab luv.
Pom zoo:
Puas yog daim duab peb sab sib npaug yog daim duab peb sab?
No, ib daim duab peb sab tsis tuaj yeem yog daim duab peb sab sib npaug . Puas yog daim duab peb sab sib npaug yog daim duab peb sab txoj cai piav qhia koj cov lus teb? Daim duab peb sab sib npaug tsis tuaj yeem yog daim duab peb sab yogQhov no ua rau kev nkag siab vim tias lub kaum sab xis ntsuas hauv ib daim duab peb sab, tsis yog daim duab peb sab sib npaug, sib npaug 180 degrees.
Qhov twg yog qhov ntev ntawm lub hypotenuse ntawm daim duab peb sab?
Nyob rau hauv geometry, lub hypotenuse yog qhov ntev tshaj plaws ntawm daim duab peb sab sab xis, sab tawm ntawm lub kaum sab xis. Qhov ntev ntawm lub hypotenuse tuaj yeem pom siv Pythagorean theorem, uas hais tias lub square ntawm qhov ntev ntawm lub hypotenuse sib npaug ntawm cov squares ntawm qhov ntev ntawm ob sab Ntev npaum li cas ntawm qhov hypotenuse ntawm daim duab peb sab 8cm 15cm?
Thaum twg lub chaw nyob sab hauv daim duab peb sab?
Definition Lub incenter yog ib qho ntawm daim duab peb sab cov ntsiab lus ntawm concurrency tsim los ntawm kev sib tshuam ntawm daim duab peb sab 3 lub kaum sab xis bisectors. Yog tias daim duab peb sab yog obtuse, xws li tus ntawm daim duab hauv qab no ntawm sab laug, ces lub incenter nyob rau hauv daim duab peb sab sab hauv .
Nyob rau hauv ib lub kaum sab xis daim duab peb sab r yog sib npaug?
Txoj Kev: Cov qauv rau kev xam qhov ntsuas ntawm lub kaum sab xis ntawm daim duab peb sab tuaj yeem muab tau raws li r=(P + B - H) / 2 Thiab peb paub tias thaj tsam ntawm ib qho lub voj voog yog PIr 2 qhov twg PI=22 / 7 thiab r yog lub vojvoog ntawm lub voj voog.
Puas muaj pes tsawg daim duab pom nyob hauv daim duab tshiab?
Tile viewports yog rau kev kos duab thiab kho. Tsuas yog ib lub pobzeb saib qhov chaw tuaj yeem ua haujlwm ntawm ib lub sijhawm . Vim li cas tiled viewport? Koj tuaj yeem npaj cov chaw saib ntawm daim ntaub hauv cov nplais qauv. Qhov no tej zaum yuav muaj txiaj ntsig los nthuav tawm cov duab zais zais lossis tsuas yog txhawm rau txo cov clutter hauv thaj chaw kos duab.
