Tus naj npawb ntawm cov kab sib luag hauv ib lub voj voog tsis tu ncua Ib qho hexagon tsis tu ncua yog txhais tias yog hexagon uas yog ob qho tib si sib npaug thiab sib npaug. Nws yog bicentric, txhais tau hais tias nws yog ob qho tib si cyclic (muaj ib lub voj voog ncig) thiab tangential (muaj ib lub voj voog inscribed). lub sij hawm apothem (lub vojvoog ntawm lub voj voog inscribed). Tag nrho cov kaum sab hauv yog 120 degrees. https://en.wikipedia.org › wiki › Hexagon
Hexagon - Wikipedia
yog sib npaug rau cov naj npawb ntawm sab uas ib txwm muaj polygon muaj. Qee cov duab zoo li daim duab peb sab scalene thiab parallelogram tsis muaj kab ntawm symmetry. Kab ntawm symmetry nyob rau hauv cov tsiaj ntawv ntawm cov tsiaj ntawv Askiv: … A B C D E K M T U V W Y muaj ib kab ntawm symmetry.
Daim duab twg tsuas muaj 1 kab sib luag xwb?
Trapezium. Lub trapezium muaj kev sib hloov symmetry ntawm kev txiav txim ib. Qee tus trapeziums muaj ib txoj kab sib luag. Lawv hu ua isosceles trapeziums raws li lawv muaj 2 sab ntawm qhov sib npaug ntev li isosceles triangles.
Ib yam khoom puas muaj ib txoj kab sib luag?
Daim duab no tuaj yeem muab faib ua ib txoj hauv kev, ntsug. Yog tias koj sim faib nws kab rov tav, ob sab yuav tsis sib haum. Yog li ntawd, koj tuaj yeem hais tias tus npauj npaim muaj ob sab symmetry. Bilateral symmetry txhais tau hais tias nws muaj ib kab ntawm symmetry uas faib tus npauj npaim nyob rau hauv ib nrab.
Yuav ua li cas muaj kab sib luag?
Ib daim duab tuaj yeem muaj ntau dua ib kab ntawm kev sib luag. Yog li a rectanglemuaj ob kab ntawm symmetry, ib tug equilateral daim duab peb sab muaj peb kab ntawm symmetry, thiab ib tug square muaj plaub. Lub voj voog muaj tus lej tsis kawg ntawm cov kab ntawm symmetry vim nws tuaj yeem muab tais rau txhua txoj kab uas hla.
Cov duab twg muaj 2 kab ntawm symmetry?
Rectangle . Ib daim duab plaub muaj ob kab ntawm symmetry. Nws muaj rotational symmetry ntawm kev txiav txim ob.
