Ib lub rhombus yog ib hom parallelogram, thiab qhov txawv ntawm nws cov duab yog tag nrho plaub ntawm nws sab yog congruent. Tag nrho 4 sab yog concrudent. Diagonals bisect vertex kaum. Diagonals yog perpendicular.
Puas diagonals ntawm ib lub rhombus sib npaug?
Cov kab pheeb ces kaum ntawm a rhombus sib tshuam ntawm cov ces kaum sib npaug, hos cov kab pheeb ces kaum ntawm daim duab plaub sib npaug ntev. Daim duab tsim los ntawm kev koom nrog qhov nruab nrab ntawm ob sab ntawm lub rhombus yog lub duab plaub, thiab rov ua dua.
Pob rhombus puas muaj ob kab pheeb suab?
Ib lub rhombus yog quadrilateral (dav hlau daim duab, kaw cov duab, plaub sab) nrog plaub sab sib npaug-ntev thiab sab nraud sib npaug rau ib leeg. … Cov ces kaum sab hauv ntawm rhombuses yog congruent. Diagonals ntawm lub rhombus ib txwm sib sib zog nqus ntawm txoj cai kaum.
Dab tsi yog congruent nyob rau hauv lub rhombus?
Txhua sab ntawm lub rhombus yog congruent, yog li cov sab nraud yog congruent, uas yog ib qho ntawm cov khoom ntawm parallelogram. … Ib yam yuav ua tau rau ob sab, thiab paub peb paub tias sab nraud yog qhov sib npaug. Yog li ntawd, lub rhombus yog parallelogram.
Yuav ua li cas ua pov thawj lub rhombus yog sib haum?
Yog tias ob sab sib law liag ntawm ib qho parallelogram yog congruent, ces nws yog rhombus (tsis yog qhov thim rov qab ntawm lub ntsiab lus lossis kev sib tham ntawm cov cuab yeej). Yog hais tias tus kab pheeb ces kaum ntawm ib tug parallelogram bisects ob lub ces kaum, ces nws yog ib tug rhombus (tsis yog tus rov qab ntawm lub ntsiab txhais los yog lub converse ntawm ib tug vaj tse).
