Lub kaum sab xis ntawm a rhombus sib npaug. Lub diagonals ntawm lub rhombus bisect txhua lub kaum sab xis. Cov kab pheeb ces kaum ntawm lub rhombus bisect ib leeg ntawm txoj cai kaum.
Puas yog cov kaum sab nraud hauv rhombus sib npaug?
Cov kaum sab xis ntawm a rhombus muaj qhov sib npaug. Ob lub diagonals ntawm ib lub rhombus yog perpendicular; uas yog, ib tug rhombus yog ib tug orthodiagonal quadrilateral.
Vim li cas cov kaum sab xis ntawm lub rhombus sib npaug?
Opposite Angles
Yog tias peb kos ib kab koom nrog ob lub ntsiab lus B thiab D, ob daim duab peb sab yog tsim: DAB thiab BCD. … Yog li ntawd, cov ces kaum sib npaug yuav sib npaug. Tib yam tuaj yeem ua pov thawj rau lwm lub kaum ob thiab. Yog li ntawd, lub opposite ces kaum ntawm lub rhombus yog sib npaug.
Ua cov kaum sab xis hauv lub rhombus ntxiv txog 180?
[edit] Properties
Raws li tag nrho cov quadrilaterals, cov txiaj ntsig ntawm cov ces kaum sab hauv ntawm lub rhombus yog 360 degrees; Raws li nrog ib tug parallelogram, lub lub kaum sab xis ntawm qhov sib npaug ntawm cov vertices yog sib npaug, thiab cov sum ntawm cov ces kaum ntawm ob sab vertices yog 180 degrees.
Lub kaum twg hauv rhombus sib npaug?
Ib lub rhombus yog ib rooj plaub tshwj xeeb ntawm ib qho parallelogram, thiab nws yog plaub-sided quadrilateral. Nyob rau hauv ib lub rhombus, opposite sab yog parallel thiab cov kaum sab nraud yog sib npaug.
