Ib tug parallelogram yog ib qho quadrilateral nyob rau hauv uas ob khub ntawm opposite sab yog parallel.
Puas yog parallelogram ib quadrilateral muaj lossis tsis?
Parallelograms yog quadrilaterals nrog ob pawg ntawm kev sib luag.
Puas yog plaub npaug hu ua parallelogram?
Ib qho yooj yim (tsis yog-tus kheej-kev sib tshuam) quadrilateral yog ib qho parallelogram yog tias thiab tsuas yog ib qho ntawm cov nqe lus hauv qab no muaj tseeb: Ob khub ntawm sab nraud yog sib npaug (los ntawm txhais). Ob khub ntawm opposite sab yog sib npaug ntawm qhov ntev. Ob khub ntawm lub kaum sab xis yog sib npaug hauv kev ntsuas.
Puas yog parallelogram ib daim duab plaub?
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 txhua lub rhombus yog parallelogram?
Rhombus: Nws yog lub tiaj tiaj zoo li plaub fab uas muaj plaub sab ntawm qhov sib npaug. … Ob sab ntawm lub rhombus yog sib npaug rau ib leeg, uas yog sib koom ua ke.
