Ib daim duab plaub yog ib qho parallelogram, yog li nws cov sab nraud yog sib npaug. Cov kab pheeb ces kaum ntawm daim duab plaub yog sib npaug thiab sib npaug.
Puas yog daim duab plaub kab diagonals perpendicular?
Yog hais tias yog square thiab rhombus, lub kab pheeb ces kaum yog perpendicular rau ib leegTab sis rau cov duab plaub, parallelograms, trapeziums cov kab pheeb ces kaum tsis yog perpendicular. Lub diagonals ntawm ib lub duab plaub tsis yog perpendicular rau ib leeg. … Yog hais tias peb kos ib square, lawv kab pheeb ces kaum yeej ib txwm perpendicular.
Puas diagonals ntawm ib lub duab plaub sib npaug Vim li cas?
Yog, kab pheeb ces kaum ntawm ib daim duab plaub sib npaug. Qhov no yog vim hais tias ob kab pheeb ces kaum yog lub hypotenuse ntawm ob txoj cai angled daim duab peb sab tsim los ntawm cov kab pheeb ces kaum. … Li no, kab pheeb ces kaum ntawm daim duab plaub yog sib npaug ntawm qhov ntev.
Puas muaj pes tsawg kab pheeb ces kaum hauv ib lub duab plaub?
Ib daim duab plaub muaj ob kab pheeb ces kaum. Txhua tus yog ib kab ntu kos ntawm qhov opposite vertices (cov ces kaum) ntawm lub duab plaub. Cov kab pheeb ces kaum muaj cov khoom nram qab no: Ob kab kab pheeb ces kaum yog congruent (qhov ntev tib yam).
Yuav ua li cas koj pom kab pheeb ces kaum ntawm ib daim duab plaub?
Koj tuaj yeem pom kab pheeb ces kaum ntawm daim duab plaub yog koj muaj qhov dav thiab qhov siab. Tus kab pheeb ces kaum sib npaug ntawm lub hauv paus ntawm qhov dav squared ntxiv rau qhov siab squared.
