Video: Dab tsi yog qhov tshwj xeeb ntawm square?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lus txhais: A square yog quadrilateral nrog tag nrho plaub lub kaum sab xis thiab tag nrho plaub sab ntawm tib qhov ntev. Yog li ib square yog a tshwj xeeb hom duab plaub, nws yog ib qho uas txhua sab muaj tib qhov ntev. Yog li txhua square yog ib daim duab plaub vim hais tias nws yog ib lub quadrilateral nrog tag nrho plaub lub kaum sab xis.
Tsis tas li ntawd, puas yog ib lub square ib daim duab plaub muaj tseeb lossis cuav?
Parallelogram: Ib lub quadrilateral nrog rau sab nraud uas sib npaug thiab sib npaug ntawm qhov ntev. Daim duab plaub : Ib qho parallelogram nrog plaub lub kaum 90 degree. Rhombus: Ib qho parallelogram nrog plaub sab ntawm qhov sib npaug. Square: Ib daim duab plaub nrog plaub sab ntawm qhov sib npaug.
puas yog lub rhombus square? A rhombus yog quadrilateral nrog txhua sab sib npaug ntawm qhov ntev. A square yog ib lub quadrilateral nrog txhua sab sib npaug ntawm qhov ntev thiab tag nrho sab hauv cov ces kaum sab xis. Yog li no a rhombus tsis yog a square tshwj tsis yog cov ces kaum yog tag nrho cov kaum sab xis. A square txawm li cas los xij yog rhombus vim tag nrho plaub ntawm nws sab yog tib qhov ntev.
Ua raws li qhov no hauv kev txiav txim siab, vim li cas lub square tuaj yeem xav tias yog ib daim duab plaub tshwj xeeb?
Yog hais tias tag nrho nws sab yog sib npaug, ces nws yuav square . Yog li ntawd, a square tuaj yeem xav tias yog ib daim duab plaub tshwj xeeb . (b) Peb paub hais tias nyob rau hauv ib tug parallelogram, opposite sab yog parallel nrog rau cov vaj huam sib luag thiab opposite lub kaum sab xis yog sib npaug. Yog hais tias nws opposite ces kaum yog lub kaum sab xis, ces nws ua ib duab plaub.
Lwm cov duab dab tsi yog square?
Ib square yog ib hom duab plaub , tsuas yog ib qhov twg tag nrho plaub sab yog tib qhov ntev. Thaum kawg, muaj cov rhombus , uas yog plaub-sided duab nrog sab ntawm qhov sib npaug. Cov lub kaum sab xis tuaj yeem yog 90 degrees, tab sis lawv tsis tas yuav tsum yog. Yog li, lub square yog ib rhombus , tab sis tsis yog txhua tus rhombus yog square.
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