Lo lus "parallelogram" los los ntawm Greek lo lus "parallelogrammon" (txuas los ntawm kab sib luag). Rectangles, rhombuses, thiab squares yog tag nrho cov parallelograms. Nyob rau hauv tag nrho Parallelogram lub opposite ces kaum yog sib npaug zos rau ib leeg.
Yuav ua li cas ua ib qho parallelogram?
Ib tug parallelogram yog quadrilateral nyob rau hauv uas ob khub ntawm opposite sab yog parallel. … Cov sab nraud yog sib haum; Cov ces kaum uas nyob ib sab yog ntxiv; Cov diagonals sib sib zog nqus.
Yuav ua li cas yog ib txwm muaj tseeb ntawm ib qho parallelogram?
Nws yeej ib txwm muaj tseeb tias ib qho parallelogram: yog plaub-sided duab (quadrilateral) muaj opposite sab uas yog parallel rau ib leeg thiab ntawm tib ntev muaj … 2) Cov lus rov congruent. … Cov kaum sab nraud yog congruent.
Puas yog parallelogram ib daim duab plaub rau menyuam yaus?
Ib daim duab plaub yog plaub fab uas tag nrho plaub lub kaum sab xis yog 90 degrees. Ib lub xwmfab yog ib hom duab plaub tshwj xeeb uas tag nrho plaub sab yog tib qhov ntev. Ib qho parallelogram yog thaum ob qho tib si tawm tsam ntawmsab ntawm cov plaub fab sib npaug. Cov squares thiab duab plaub kuj yog parallelograms.
4 hom kev sib luag yog dab tsi?
Type of Parallelograms
- Rhombus (los yog pob zeb diamond, rhomb, lossis lozenge) - Ib qho piv txwv nrog plaub sab sib dhos.
- Rectangle - Ib qho parallelogram nrog plaub lub kaum sab hauv.
- Square - Ib qho parallelogram nrog plaub sab sib xyaw thiab plaub lub kaum sab hauv.
