Video: Cov khub twg ntawm daim duab peb sab tuaj yeem ua pov thawj sib haum siv hypotenuse leg Theorem?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov hypotenuse ceg theorem hais tias ob txoj cai peb tog uas muaj a congruent hypotenuse thiab sib xws, sib ceg yog congruent daim duab peb sab.
Tib neeg kuj nug, SSS SAS ASA AAS yog dab tsi?
SSS (sab-sab-sab) Tag nrho peb sab sib xws yog sib haum. SAS (sab-angle-sab) Ob sab thiab lub kaum sab xis ntawm lawv yog congruent. ASA (angle-sib-angle)
Ib tus kuj yuav nug, SSS postulate yog dab tsi? Pov Thawj Sib Koom Nrog Peb SSS . Sab Sab Sab Sab postulate hais tias yog tias peb sab ntawm ib daim duab peb sab sib haum rau peb sab ntawm lwm daim duab peb sab, ces ob daim duab peb sab no sib haum.
Kuj tseem yuav paub yog, koj ua pov thawj li cas tias ob daim duab peb sab sib dhos?
Ob daim duab peb sab yog sib haum yog tias lawv muaj: raws nraim tib yam peb sab thiab. raws nraim tib lub ces kaum.
Muaj tsib txoj hauv kev los nrhiav yog ob daim duab peb sab sib xws: SSS, SAS, ASA, AAS thiab HL.
- SSS (sab, sab, sab)
- SAS (sab, kaum sab xis, sab)
- ASA (lub kaum sab xis, sab, kaum sab xis)
- AAS (kaum, kaum, sab)
- HL (hypotenuse, ceg)
Nws txhais li cas kom muaj kev sib haum xeeb?
Kev sib haum xeeb . Kaum yog sib haum thaum lawv loj tib yam (hauv degrees lossis radians). Sab yog sib haum thaum lawv yog tib qhov ntev.
Pom zoo:
Hom ntawv pov thawj dab tsi thiab pov thawj lom neeg tuaj yeem pom ntawm qhov ua txhaum?
Fibers, plaub hau, av, ntoo, cov phom phom thiab paj ntoos tsuas yog qee qhov piv txwv ntawm cov pov thawj uas yuav kis tau ntawm tib neeg, cov khoom lossis ib puag ncig thaum ua txhaum. Cov neeg tshawb nrhiav tuaj yeem muaj peev xwm txuas tus neeg phem thiab tus neeg raug tsim txom mus rau qhov chaw sib koom los ntawm cov pov thawj taug qab
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Dab tsi yog 5 txoj hauv kev los ua pov thawj daim duab peb sab sib npaug?
Muaj tsib txoj hauv kev los nrhiav yog ob daim duab peb sab sib xws: SSS, SAS, ASA, AAS thiab HL. SSS (sab, sab, sab) SSS sawv rau 'sab, sab, sab' thiab txhais tau tias peb muaj ob daim duab peb sab nrog txhua peb sab sib npaug. SAS (sab, kaum, sab) ASA (lub kaum sab xis, sab, lub kaum sab xis) AAS (lub kaum sab xis, lub kaum sab xis, sab) HL (hypotenuse, ceg)