Definition: Ib daim duab plaub yog plaub plaub fab nrog rau tag nrho plaub lub kaum sab xis. … Yog li txhua lub square yog ib daim duab plaub vim hais tias nws yog quadrilateral nrog tag nrho plaub lub kaum sab xis. Txawm li cas los xij tsis yog txhua daim duab plaub yog square, ua ib lub square nws ob sab yuav tsum muaj qhov ntev.
Puas tau ib lub square yog ib daim duab plaub yog los yog tsis?
Yog, ib lub square yog tshwj xeeb hom duab plaub vim tias nws muaj tag nrho cov khoom ntawm lub duab plaub. Zoo ib yam li daim duab plaub, ib lub xwmfab muaj: cov ces kaum sab hauv uas ntsuas 90∘ txhua.
Dab tsi yog ib daim duab plaub hu ua?
oblong. Cov duab hauv qab no yog los ntawm wikipedia. Yog tias koj tham txog ib daim duab plaub, koj tuaj yeem hu nws ua ib daim duab plaub. Qhov no feem ntau txhais tau tias koj tsis txhais hais tias square vim koj tsis tau npe nws square.
Yuav ua li cas ua pov thawj nws yog square?
Yuav ua li cas ua pov thawj tias Quadrilateral Yog Square
- Yog hais tias lub quadrilateral muaj plaub sab sib dhos thiab plaub lub kaum sab xis, ces nws yog square (rov qab ntawm lub ntsiab lus square).
- Yog tias ob sab sib law liag ntawm daim duab plaub sib dhos, ces nws yog square (tsis yog qhov thim rov qab ntawm lub ntsiab lus lossis qhov sib tham ntawm cov khoom).
Yuav ua li cas koj thiaj paub tias daim duab plaub yog square?
Yog peb ntsuas los ntawm ib ces kaum mus rau lub kaum sab xis ntawm kab pheeb ces kaum (raws li qhia los ntawm kab liab), thiab ces muab piv qhov nrug mus rau qhov opposite kab pheeb ces kaum (raws li depicted los ntawm lub xiav kab), ob qhov kev ncua deb yuav tsum phim raws nraim. Yog tias lawv sib npaug, lub rooj sib txoos yog square.
