Cov txheej txheem:

Koj sau daim duab peb sab zoo li cas?
Koj sau daim duab peb sab zoo li cas?

Video: Koj sau daim duab peb sab zoo li cas?

Video: Koj sau daim duab peb sab zoo li cas?
Video: Niam Vam Khwb - Koj Tus Thaum Qaug Zoo Li Cas? ❤️❤️(Nkauj Tawm Tshiab 2023) 2024, Lub peb hlis ntuj
Anonim

Daim duab peb sab zoo sib xws yog tias:

  1. AAA (lub kaum sab xis lub kaum sab xis) Tag nrho peb khub ntawm cov ces kaum sib xws yog tib yam.
  2. SSS nyob rau hauv tib qho kev faib ua feem (sab sab sab) Tag nrho peb khub ntawm cov sib raug zoo sab yog nyob rau hauv tib qho kev faib ua feem.
  3. SAS (sab lub kaum sab xis) Ob khub ntawm sab hauv tib qho kev faib ua feem thiab lub kaum sab xis suav sib npaug.

Ntawm no, dab tsi yog tus qauv rau cov duab peb sab zoo sib xws?

Ratios thiab Proportions - Cov duab zoo sib xws - Hauv qhov tob. Yog tias ob yam khoom muaj qhov zoo ib yam, lawv hu ua " zoo sib xws "Thaum ob cov duab yog zoo sib xws , qhov sib piv ntawm qhov ntev ntawm lawv qhov sib thooj yog sib npaug. Txhawm rau txiav txim siab yog tias daim duab peb sab qhia yog zoo sib xws , sib piv lawv cov sib raug zoo sab.

Tom qab, lo lus nug yog, dab tsi yog lub cim rau perpendicular? Ob kab uas sib tshuam thiab tsim cov kaum sab xis yog hu ua perpendicular kab. Cov cim ⊥ yog siv los qhia perpendicular kab. Hauv daim duab, kab l ⊥ kab m.

Tsis tas li ntawd, cov piv txwv zoo sib xws yog dab tsi?

Hauv cov duab peb sab zoo sib xws , sib thooj sab yeej ib txwm nyob rau hauv tib qhov ratio. Rau piv txwv : Daim duab peb sab R thiab S yog zoo sib xws . Cov kaum sib npaug yog cim nrog tib tus lej ntawm arcs.

Puas yog ob daim duab peb sab zoo sib xws?

Yog hais tias peb teev ntawm coj sab ntawm ob daim duab peb sab yog nyob rau hauv proportions, cov daim duab peb sab yog zoo sib xws . Yog ib lub kaum sab xis daim duab peb sab yog congruent rau lub kaum sab xis ntawm lwm tus daim duab peb sab thiab qhov ntev ntawm sab nrog rau cov ces kaum yog nyob rau hauv proportions, lub daim duab peb sab yog zoo sib xws.

Pom zoo: