Ob kab ntawm symmetry yog dab tsi?
Ob kab ntawm symmetry yog dab tsi?

Video: Ob kab ntawm symmetry yog dab tsi?

Video: Ob kab ntawm symmetry yog dab tsi?
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Ob kab ntawm Symmetry : Qee daim duab tuaj yeem muab faib ua ob sib npaug qhov chaw nrog ob kab . Cov duab no tau hais tias muaj Ob kab ntawm Symmetry . Cov duab plaub yog ib qho piv txwv ntawm Ob Kab ntawm Symmetry . Lub Rectangle tuaj yeem muab faib ua vertically, kab rov tav lossis diagonally kom tau txais ob symmetrical ntu.

Raws li, cov duab twg muaj 2 kab ntawm symmetry?

Daim duab plaub

Tsis tas li ntawd, dab tsi quadrilateral muaj 2 kab ntawm symmetry? Rhombus. Ib lub rhombus muaj ob kab ntawm symmetry.

Raws li, kab symmetry yog dab tsi?

Cov " Kab ntawm Symmetry "(pom ntawm no dawb) yog qhov kev xav kab qhov twg koj tuaj yeem quav cov duab thiab muaj ob qho tib si sib luag. Saib: Symmetry . Kev xav Symmetry.

Yuav ua li cas koj nrhiav tau txoj kab ntawm symmetry?

Yuav nrhiav tau kab ntawm symmetry algebraically, koj yuav tsum txheeb xyuas seb qhov sib npaug yog sau rau hauv daim ntawv qauv lossis daim ntawv vertex. Cov qauv qauv yog y = ax^2 + bx + c, qhov twg a, b, thiab c sib npaug txhua tus lej tiag. Koj tuaj yeem siv tus qauv x = -b / 2a los nrhiav cov kab ntawm symmetry.

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