Vim tias nws muaj ob pawg ntawm cov kab sib dhos thiab ob khub ntawm cov lus sib dhos uas sib koom ua ke, ib daim duab plaub muaj tag nrho cov khoom ntawm ib qho parallelogram. Tias yog vim li cas ib daim duab plaub ib txwm yog parallelogram. Txawm li cas los xij, parallelogram tsis yog ib daim duab plaub.
Puas yog parallelogram qee zaum ib daim duab plaub?
Parallelograms yog quadrilaterals nrog ob pawg ntawm kev sib luag. Txij li cov squares yuav tsum yog quadrilaterals nrog ob pawg ntawm qhov sib npaug, ces tag nrho cov squares yog parallelograms. … Ib tug parallelogram yog ib daim duab plaub. Nov yog qee zaum muaj tseeb.
Daim duab plaub puas tuaj yeem ua tus parallelogram muaj lossis tsis yog?
DEFINITION ntawm RECTANGLE: A parallelogram nrog tag nrho 4 lub kaum sab hauv sab hauv sib koom ua ke yog hu ua duab plaub. Yog li, ncaj nraim los ntawm lub ntsiab lus peb pom tias ib lub duab plaub yog ib qho parallelogram nrog cov cuab yeej ntxiv uas muaj tag nrho cov sab hauv lub kaum sab xis rau ib leeg.
Thaum twg yuav tsum tus parallelogram ua ib daim duab plaub?
Nco ntsoov, rau qhov parallelogram los ua ib lub duab plaub yuav tsum muaj plaub lub kaum sab xis, sab xis sab xis, sab nraub qaum sib luag, cov kaum sab xis sib dhos, kab pheeb ces kaum sib sib zog nqus, thiab kab pheeb ces kaum yog congruent. Ib lub xwmfab txaus siab rau tag nrho cov kev xav tau no, yog li lub xwmfab yog ib daim duab plaub.
Dab tsi yog ib qho parallelogram tab sis tsis yog duab plaub?
Ntawm no yog ib qho piv txwv thaum lub parallelogram yog ib daim duab plaub: Nov yog ib qho piv txwv thaumParallelogram tsis yog duab plaub: 6. A trapezoid is a quadrilateral.
