Puas yog ob khub ntawm qhov sib txawv ntawm qhov sib npaug hauv lub rhombus?
Puas yog ob khub ntawm qhov sib txawv ntawm qhov sib npaug hauv lub rhombus?

Video: Puas yog ob khub ntawm qhov sib txawv ntawm qhov sib npaug hauv lub rhombus?

Video: Puas yog ob khub ntawm qhov sib txawv ntawm qhov sib npaug hauv lub rhombus?
Video: Npau Suav li no Txhob coj mus tham qhia luag lwm tus 2024, Kaum ib hlis
Anonim

A rhombus muaj tag nrho cov khoom ntawm a parallelogram : Ob leeg ntawm opposite sab yog thaum uas tig mus . Ob leeg ntawm opposite sab yog sib npaug nyob rau hauv ntev. Ob khub ntawm opposite cov ces kaum yog sib npaug.

Tsis tas li ntawd, ob qho tib si ntawm ob tog sib npaug sib luag hauv ib qho parallelogram?

DEFINITION: A parallelogram yog quadrilateral nrog ob khub ntawm opposite sab parallel . THEOREM: Yog hais tias lub quadrilateral yog a parallelogram , nws muaj 2 sets ntxeev sab kev sib haum xeeb. THEOREM: Yog hais tias lub quadrilateral muaj cov ces kaum sib law liag uas yog supplementary, ces nws yog a parallelogram.

Ib yam li ntawd, lub quadrilateral yog dab tsi nrog ib khub ntawm opposite sab uas yog parallel? trapezoid

Tsis tas li ntawd, puas yog lub rhombus muaj qhov sib txawv ntawm qhov sib npaug?

A Rhombus yog ib lub tiaj tus nrog 4 sib npaug ncaj sab . Sab nraud yog thaum uas tig mus , thiab rov qab cov ces kaum yog sib npaug (nws yog Parallelogram). Thiab cov kab pheeb ces kaum "p" thiab "q" ntawm a rhombus bisect ib leeg ntawm txoj cai kaum.

Yuav ua li cas muaj pes tsawg leeg ntawm ib lub rhombus?

Txhua rhombus muaj ob lub diagonals txuas khub ntawm opposite vertices, thiab ob khub ntawm parallel sab.

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