Dab tsi yog quadrilateral formula?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

A quadrilateral nrog plaub lub kaum sab xis thiab tag nrho plaub sab ntawm qhov sib npaug. a = b = c = d. A = B = C = D = Pi/2 radians = 90^o. theta = Pi/2 radians = 90^o.

Tib neeg kuj nug, dab tsi yog lub mis rau kev nrhiav thaj tsam ntawm plaub fab?

Rau cov squares, muab ib sab ntawm nws tus kheej kom tau qhov cheeb tsam . Yog hais tias koj muaj ib tug parallelogram, muab cov kab pheeb ces kaum thiab faib los ntawm 2 kom tau qhov cheeb tsam . Rau nrhiav tus cheeb tsam ntawm lub trapezoid, ntxiv lub hauv paus thiab qhov siab ua ke, thiab faib tus lej ntawd los ntawm 2 npaug ntawm qhov siab.

Dab tsi yog tus qauv perimeter rau lub quadrilateral? Cov qauv rau irregular quadrilateral - uas yog ib tug polygon uas muaj plaub sab uas tsis sib npaug ntev - yog tib yam li ntawm ib tug trapezoid. Cov qauv yog a + b + c + d = ib puag ncig.

Yog li ntawd, dab tsi yog cov cuab yeej ntawm quadrilateral?

Lub ntsiab vaj tse ntawm a quadrilateral yog Angle sum Cov khoom ntawm Quadrilateral uas hais tias cov sum ntawm cov ces kaum ntawm lub quadrilateral yog 360 °. Hauv daim duab saum toj no, peb pom a quadrilateral ABCD thiab AC yog kab pheeb ces kaum ntawm lub quadrilateral . uas txhais tau tias cov sum ntawm tag nrho cov ces kaum ntawm a quadrilateral yog 360 °.

Tus qauv los xam thaj tsam ntawm thaj av yog dab tsi?

Rau xam acreage, pib los ntawm kev txiav txim qhov dav thiab ntev ntawm lub cheeb tsam nyob rau hauv yards siv ib tug surveyor lub log. Tom qab ntawd, muab qhov dav los ntawm qhov ntev kom tau qhov cheeb tsam hauv square yards. Tom ntej no, faib tus lej ntawd los ntawm 4, 840 kom tau tag nrho cheeb tsam hauv daim av.