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Simetrija

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by

Rita Barysienė

on 21 February 2014

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Transcript of Simetrija

Ašinė simetrija
Kaip nubrėžti figūrai simetrišką figūrą tiesės atžvilgiu?
Simetrijos ašis
Tiesė, per kurią sulenkus lapą, abiejose tiesės pusėse esančios figūros dalys sutampa, vadinama simetrijos ašimi.
Centrinė simetrija
Kaip nubrėžti figūrą simetrišką taško atžvilgiu?
Uždavinių sprendimas taikant simetriją
Matematiniai žaidimai
Uždaviniai
Simetrija
Kiek figūra turi simetrijos ašių?
Kvadratas sudarytas iš
4 × 4 langelių. Kiek yra skirtingų
kvadrato sukarpymo būdų į dvi
lygias dalis

Pradedantysis turi padėti monetą į stačiakampio centrą, o po to atsakyti į antro padėtą monetą simetriškai centro atžvilgiu

Laimi pirmas, jei jis padeda monetą į apskritimo centrą, tuomet toliau jis deda monetą simetriškai antro padėtos monetos atžvilgiu

Įsidėmėk!

Full transcript

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