Puas yog rhombus ntxiv rau?
Puas yog rhombus ntxiv rau?

Video: Puas yog rhombus ntxiv rau?

Video: Puas yog rhombus ntxiv rau?
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Anonim

Nyob ib sab (ib leeg ib sab) ntawm a rhombus yog supplementary. Qhov no txhais tau tias lawv ntsuas ntxiv Ci rau 180 degrees.

Ib yam li ntawd, rhombus ntxiv rau dab tsi?

Rov qab sab hauv cov ces kaum ntawm a rhombus yog concruent. Plaub lub kaum sab hauv ntawm a rhombus ib txwm ntxiv rau 360°.

Tsis tas li ntawd, yog lub rhombus 360 degrees? Raws li nrog tag nrho cov quadrilaterals, cov sum ntawm sab hauv cov ces kaum ntawm a rhombus yog 360 degrees ; zoo as a parallelogram , cov ces kaum ntawm opposite khub ntawm vertices yog sib npaug, thiab cov sum ntawm lub kaum sab xis ntawm ob sab vertices yog 180 qib . Lub perimeter ntawm a rhombus yog sib npaug li 4 npaug ntawm qhov ntev ntawm ib sab.

Tsis tas li ntawd, tag nrho lub kaum sab xis ntawm rhombus yog dab tsi?

Diagonals ntawm a rhombus Hauv ib qho twg rhombus , cov kab pheeb ces kaum (kab txuas cov ces kaum sab nraud) sib cais ntawm txoj cai lub kaum sab xis (90 °). Ntawd yog, txhua kab pheeb ces kaum txiav rau lwm qhov rau ob qhov sib npaug, thiab qhov lub kaum sab xis qhov twg lawv hla yog ib txwm 90 degrees.

Dab tsi yog 4 yam khoom ntawm lub rhombus?

Cov ntsiab lus ntawm cov khoom

S. No. Khoom Rhombus
1 Txhua sab yog congruent
2 Cov sab nraud yog sib npaug thiab sib npaug
3 Txhua lub kaum sab xis yog congruent
4 Cov kaum sab nraud yog congruent

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