Rectangles, rhombuses, thiab squares yog peb yam tshwj xeeb ntawm parallelograms. Lawv txhua tus muaj cov yam ntxwv ntawm ib qho parallelogram: Lawv cov sab nraud yog sib npaug, lawv cov kab pheeb ces kaum sib cais thiab faib cov parallelogram rau hauv ob daim duab peb sab, thiab sab nraud thiab cov kaum sab xis yog congruent.
Vim li cas ib daim duab plaub lub rhombus thiab square hu ua parallelogram?
Lub ParallelogramIb tus parallelogram muaj
sab sib dhos ua ke thiab sib npaug ntawm qhov ntev . Tsis tas li cov ces kaum sib npaug sib npaug (lub kaum "A" yog tib yam, thiab cov ces kaum "B" yog tib yam). CEEB TOOM: Squares, Rectangles thiab Rhombuses yog tag nrho cov Parallelograms!
Koj tuaj yeem ua pov thawj li cas tias daim duab plaub lub rhombus thiab square yog parallelograms?
Cov kauj ruam los txiav txim siab seb lub quadrilateral yog ib qho parallelogram, duab plaub, rhombus, lossis square
- Graph plaub lub ntsiab lus ntawm daim ntawv.
- Saib seb cov kab pheeb ces kaum sib cais. (midpoint formula) …
- Saib seb cov kab pheeb ces kaum sib npaug. (distance formula) …
- Saib seb ob sab puas sib haum. (…
- Saib seb cov kab pheeb suab puas yog perpendicular. (
Vim li cas daim duab plaub yog parallelogram?
Cov kab ntsug koom nrog cov kab uas nyob ib sab ntawm 90 ° cov ces kaum, uas txhais tau hais tias sab nraud ntawm cov duab plaub yog cov kab sib txuas. Vim tias nws muaj ob pawg ntawm cov kab sib dhos thiab ob khub ntawm cov lus sib dhos uas sib koom ua ke, ib daim duab plaub muaj tag nrho cov khoom ntawm ib qho parallelogram. Yog vim li cas daim duab plaub ib txwm yog parallelogram.
Vim li cas lub rhombus yog parallelogram?
Ib lub rhombus yog ib rooj plaub tshwj xeeb ntawm parallelogram, vim nws ua tiav cov kev cai ntawm parallelogram: plaub plaub fab nrog ob khub ntawm cov kab sib txuas. Nws mus saum toj thiab tshaj ntawd kom muaj plaub qhov sib npaug-ntev, tab sis nws tseem yog hom parallelogram.
