Qhov kev hloov pauv twg yuav hloov daim duab A rau hauv daim duab B?
Qhov kev hloov pauv twg yuav hloov daim duab A rau hauv daim duab B?

Video: Qhov kev hloov pauv twg yuav hloov daim duab A rau hauv daim duab B?

Video: Qhov kev hloov pauv twg yuav hloov daim duab A rau hauv daim duab B?
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Kaum ib hlis
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Ob daim duab tau hais tias yuav tsum sib haum yog tias ib tus tuaj yeem tau txais los ntawm lwm tus los ntawm ib ntu ntawm txhais lus , reflections, thiab rotations. Cov duab sib xws muaj qhov loj thiab zoo tib yam. Txhawm rau hloov daim duab A rau hauv daim duab B, koj yuav tsum xav txog nws hla y-axis thiab txhais ib chav nyob rau sab laug.

Kuj nug, qhov kev hloov pauv twg tuaj yeem hloov pauv thaj tsam ntawm daim duab?

Ib qho kev hloov pauv hloov qhov loj, cov duab, lossis txoj haujlwm ntawm daim duab thiab tsim ib daim duab tshiab. Kev hloov pauv geometry yog nruj lossis tsis nruj; Lwm lo lus rau kev hloov pauv nruj yog "isometry". Ib qho isometry, xws li a kev sib hloov , txhais lus , los yog xav txog , tsis hloov qhov loj lossis cov duab ntawm daim duab.

Ib sab saum toj no, hom kev hloov pauv twg hloov pauv cov duab ntawm daim duab? Kev hloov pauv thiab Isometry A kev hloov pauv yog ib txoj kev uas kev hloov txoj hauj lwm (thiab tejzaum nws loj thiab orientation) ntawm a puab . Muaj plaub hom kev hloov pauv : reflection, rotation, translation and enlargement.

Kuj paub yog, yuav ua li cas tshwm sim thaum koj siv ntau tshaj ib qho kev hloov pauv rau ib daim duab?

Cov lus teb tau: Cov kev hloov pauv tshwm sim sequentially, thiab kev txiav txim tseem ceeb. Qhov tshwm sim yuav zoo ib yam li ib leeg kev hloov pauv.

Cov kev hloov pauv twg yuav ua rau daim duab geometric uas yog qhov loj thiab zoo tib yam?

Congruent Triangles (thiab lwm cov duab) Lawv yog cov tib yam loj thiab zoo li. Yog tias koj swb daim duab peb sab A mus rau sab xis, nws yuav npog daim duab peb sab B. Qhov no hu ua a txhais lus.

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