Dab tsi yog quadrilateral nrog 2 parallel sab?
Dab tsi yog quadrilateral nrog 2 parallel sab?

Video: Dab tsi yog quadrilateral nrog 2 parallel sab?

Video: Dab tsi yog quadrilateral nrog 2 parallel sab?
Video: Yuav ua li cas thiaj khiav dim lub ntiajteb no 2024, Kaum ib hlis
Anonim

A quadrilateral nrog ob khub ntawm parallel sab hu ua parallelogram. Yog cov khub no parallel sab sib ntsib ntawm txoj cai kaum, lub parallelogram kuj yog ib daim duab plaub.

Ib sab ntawm qhov no, lub quadrilateral nrog ob sab sib luag hu ua dab tsi?

A quadrilateral nrog raws nraim ob sab sib npaug yog hu ua Trapezium (los yog a trapezoid ).

Kuj Paub, dab tsi yog ib tug duab nrog 2 parallel sab? Parallelogram: Ib quadrilateral nrog 2 khub ntawm parallel sab . Rectangle: Ib qho parallelogram nrog 4 lub kaum sab xis.

Nyob rau hauv no txoj kev, muaj pes tsawg tus parallel sab yog quadrilateral?

Tshwj xeeb Quadrilaterals Ib qho parallelogram muaj ob parallel khub ntawm opposite sab. Ib daim duab plaub muaj ob khub ntawm opposite sab parallel, thiab plaub txoj cai kaum. Nws tseem yog parallelogram, vim nws muaj ob khub ntawm parallel sab. Ib square muaj ob khub ntawm parallel sab, plaub lub kaum sab xis, thiab tag nrho plaub sab sib npaug.

Hom quadrilateral twg muaj ob khub ntawm qhov sib npaug ntawm sab thiab plaub sab sib dhos?

Rhombus

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