Ib daim duab peb sab uas nws tag nrho peb sab thiab sab hauv cov ces kaum sib npaug yog hu ua daim duab peb sab equiangular. Rau ib daim duab peb sab kom sib npaug, qhov ntsuas ntawm tag nrho nws peb lub kaum sab hauv yuav tsum sib npaug li 60 degrees.
Yuav ua li cas paub yog daim duab peb sab yog equiangular?
Rau ib daim duab peb sab kom sib npaug tag nrho nws peb lub kaum sab hauv yuav tsum sib npaug, uas yog, txhua lub kaum sab xis yuav tsum ntsuas 60˚. Lo lus "equiangular" txhais tau tias "sib npaug zos". Lub kaum sab xis mob hnyav yog daim duab peb sab uas tag nrho peb lub kaum sab hauv tsawg dua 90˚.
Puas yog daim duab peb sab ib txwm sib npaug?
Nyob ntawm daim duab peb sab ntev
Ib daim duab peb sab sib npaug ib txwm sib npaug (saib hauv qab). Hauv daim duab peb sab isosceles, ob sab yog tib qhov ntev. Ib daim duab peb sab isosceles yuav yog txoj cai, obtuse, lossis mob (saib hauv qab). Hauv daim duab peb sab scalene, tsis muaj ob sab yog tib qhov ntev.
Dab tsi ua rau ib qho sib npaug?
Nyob rau hauv Euclidean geometry, ib tug equiangular polygon yog ib tug polygon uas nws vertex kaum sib npaug. Yog hais tias qhov ntev ntawm ob sab kuj sib npaug (uas yog, yog tias nws kuj yog equilateral) ces nws yog ib tug tsis tu ncua polygon. Isogonal polygons yog equiangular polygons uas alternate ob ntug lengths.
Ib daim duab peb sab tuaj yeem sib npaug tab sis tsis sib npaug?
Thaum daim duab peb sab, ua equiangular xav kom daim duab peb sab kuj sib npaug. Ntawd yog, txhua daim duab peb sab sib npaug yog daim duab peb sab tsis tu ncua. … Yog li, tsistag nrho cov quadrilaterals yog equilateral thiab yog li tsis tas li.
