Piav:

Zoo xws li cov vajvoos peb sab tsis muaj tus loj tib yam, tab sis ib yam loj npaum cas ces kaum.
Tej zaum koj yuav raug tau hom phiaj ntawm ib daim duab peb sab, tab sis tsis yog tas nrho Disavantaged nyob hauv lwm daim duab peb sab.
Yuav nrhiav tau lub hom phaj, ces ib tug tau tsim ib daim duab peb sab siv. kab tuam 'ya ntawm lub ntsiab lus ob'- -khawm, 'Tshuam ob yam khoom'--khawm thiab 'Lawv kab'--khawm.

Koj yuav ua li cas:

1. Tsim ib daim duab peb sab (saib EVS. ntawm cov)
2. Txua ib sab tam sim no, raws li koj paub tus lwm daim duab peb sab siv. 'Linjestrykke uas tiv thaiv kab mob ntev'--khawm. Ntxig txoj kab tshiab ntawm lub sab, så den er parallel med og ligger hen oven på den “matchende” (tib) nplooj ntawv nyob rau hauv ib daim duab peb sab.
3. Siv 'ya ntawm lub ntsiab lus ob'- -khawm, 'Tshuam ob yam khoom'--khawm thiab 'Lawv kab'--khawm yuav tsim lub xeem 2 nplooj ntawv rau lwm daim duab peb sab.

Equilateral vaj, isosceles, kev zoo sib xws, cov vajvoos peb sab zoo tib yam.

DAIM DUAB PEB SAB EQUILATERAL

• Thaum twg ib daim duab peb sab muaj 3 cov chaw uas muaj raws li cov tib, hu rau ntawm equilateral.
• Thaum twg ib daim duab peb sab muaj 3 ces kaum ntawm tus loj tib yam, hu rau ntawm equilateral.
• Ib daim duab peb sab thaumtwg equilateral, yog li yog txhua yam ntawm tag nrho cov 3 ces kaum ib txwm 60 degrees.

ISOSCELES DAIM DUAB PEB SAB

• Thaum twg ib daim duab peb sab muaj raws nraim 2 ces kaum ntawm tus loj tib yam, hu rau isosceles.
• Thaum twg ib daim duab peb sab muaj raws nraim 2 cov chaw uas muaj raws li cov tib, hu rau isosceles.

ZOO XWS LI COV VAJVOOS PEB SAB

• Thaum cov vajvoos peb sab ob muaj ces kaum ntawm tus loj tib yam, koj puas hu rau lawv kev zoo sib xws. Nws muaj ib yam lus, tab sis yog tsis sib npaug.
• Yog hais tias koj tsuas paub lub ces kaum peb, Koj tsis tas yuav hais txog cov vajvoos peb sab txuam, tiam sis nws yeej muaj ntsis zoo ib yam.

COV VAJVOOS PEB SAB ZOO TIB YAM

• Thaum cov vajvoos peb sab ob muaj 3 nplooj ntawv, uas muaj vaj huam sib luag pairwise, koj puas hu rau lawv txuam.
• Thaum cov vajvoos peb sab ob muaj ib lub thiab ob uas nyob ib sab, uas muaj vaj huam sib luag pairwise, koj puas hu rau lawv txuam.
• Thaum cov vajvoos peb sab ob muaj ces kaum ob thiab cov nplooj ntawv intermediate, uas muaj vaj huam sib luag pairwise, koj puas hu rau lawv txuam.
• Thaum cov vajvoos peb sab ob muaj ces kaum ob thiab ib cov-nrab sab, uas muaj vaj huam sib luag pairwise, koj puas hu rau lawv txuam.