Kev paub txog kev sib raug zoo ntawm cov ces kaum lossis qhov sib piv ntawm ob sab ntawm cov duab peb sab tshwj xeeb tso cai rau ib tus kom sai sai suav ntau qhov ntev hauv cov teeb meem geometric yam tsis muajsiv rau ntau txoj hauv kev.
Puas yog daim duab peb sab tshwj xeeb?
Ib daim duab peb sab nrog ib lub kaum sab xis yog hu ua daim duab peb sab. Sab nraub qaum ntawm lub kaum sab xis yog hu ua hypotenuse ntawm daim duab peb sab. Lwm ob sab yog hu ua ob txhais ceg. Lwm ob lub ces kaum muaj tsis muaj qhov tshwj xeeblub npe, tab sis lawv ib txwm ua tiav.
Vim li cas cov duab peb sab yog qhov tseem ceeb hauv lub neej tiag?
Lub tswv yim ntawm txoj cai daim duab peb sab yog siv vim cov kws ntoo yuav tsum paub tseeb tias cov phab ntsa yog ncaj thiab cov ces kaum yog square. Lub Pythagorean Theorem hais txog qhov ntev ntawm sab ntawm ib daim duab peb sab. Cov kws ntoo kuj siv cov nkhaus los tsim cov archways saum lub qhov rais thiab cov qhov rooj siv cov khoom ntawm lub voj voog.
Dab tsi yog 2 hom kev tshwj xeeb ntawm daim duab peb sab?
Ob daim duab peb sab tshwj xeeb suav nrog:
- 45°; 45 °; 90° Daim duab peb sab.
- 30°; 60 °; 90° Daim duab peb sab.
peb txoj cai tshwj xeeb yog dab tsi?
Muaj peb yam tshwj xeeb daim duab peb sab, 30-60-90 daim duab peb sab, 45-45-90 daim duab peb sab, thiab Pythagorean triple daim duab peb sab.