Ib tug trapezoid yog a quadrilateral nrog raws nraim ib khub ntawm cov kab sib luag. (Tej zaum yuav muaj qee qhov tsis meej pem txog lo lus no nyob ntawm seb koj nyob hauv lub tebchaws twg. Hauv Is Nrias teb thiab Britain, lawv hais tias trapezium; hauv Asmeskas, trapezium feem ntau txhais tau hais tias plaub plaub fab tsis muaj qhov sib npaug.)
Puas yog kab laug sab A quadrilateral muaj lossis tsis?
No. Lub trapezoid txhais tau tias yog ib lub quadrilateral nrog ob qho tib si sab. … Lwm cov duab tuaj yeem muaj plaub sab, tab sis yog tias nws tsis muaj (tsawg kawg) ob sab sib npaug, nws tsis tuaj yeem ua tus trapezoid.
Thaum twg lub trapezoid tseem hu ua quadrilateral?
Qee txhais lub trapezoid ua plaub fab muaj tsuas yog ib khub ntawm qhov sib luag(lub ntsiab lus tshwj xeeb), yog li tsis suav nrog parallelograms. Lwm tus txhais lub trapezoid ua plaub plaub nrog tsawg kawg yog ib khub ntawm qhov sib npaug ntawm sab (lub ntsiab lus suav nrog), ua rau parallelogram yog hom tshwj xeeb ntawm trapezoid.
Puas tau lub trapezoid hu ua parallelogram?
Ib lub trapezoid tuaj yeem hu ua parallelogram thaum nws muaj ntau dua ib khub ntawm qhov sib npaug. Cov ntaub ntawv no yog tsim los muab cov niam txiv thiab cov tub ntxhais kawm nkag siab txog cov ntsiab lus lej uas muaj nyob hauv Eureka Math cov ntaub ntawv koom nrog New York uas tau qhia hauv chav kawm.
Dab tsi ua rau lub trapezoid A quadrilateral?
Ib tug trapezoid yog quadrilateral nrog tsawg kawg yog ib khub ntawm tib sab. … Nyob rau hauv cov duab no, ob sab yog tib yam, thiabthiab yog li lawv ua tau raws li qhov yuav tsum tau ua rau kev ua tus trapezoid (quadrilateral nrog tsawg kawg yog ib khub ntawm qhov sib npaug) tab sis kuj yuav tsum tau ua ib qho parallelogram.
