Interoperable interactive geometry for Europe
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Untitiled

Kuželose?ky kolem nás

Trojúhelník ABC, je-li dáno: a; va; ro

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obr3.fig (6kb)

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Trojúhelník ABC, znáte-li: c ; úhel BAC = a;q =poloměr kružnice vepsané.

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obr8.fig (7kb)

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Množina bodov danej vlastnosti

tzv. množina "G"

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Volume of Pyramid

Interactive derivation of the volume of pyramid by the Cavalieri principle. The aid can be used variously:

  1. For autodidactic learning in format html.
2. A teacher can use only some of Cabri files for visualisation of spatial situations. For this way of utilization is the folder added by file F6_CAVAL as a modification of F1_CAVAL. (In fact the file F6_CAVAL is the F1_CAVAL in which some results added.) 3. It is also possible assign it as a task to pupils. They can work separately supervising by a teacher. It is necessary to work with Cabri files, but text can be printed (from pdf file) as a working sheet for pupils - it can be served them without the first no-numbered page. It isn’t necessary to implement all the items.

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Řez krychle rovinou č.1

Řez hranolu rovinou

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rezhranolurovinnou.fig (27kb)

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Řez kvádru rovinou.

Definiční obor a obor hodnot funkce sinus

Definiční obor a obor hodnot funkce sinus - pomůcka učitele. Figura obsahuje graf funkce y = a.sin(b.x). Je možno plynule měnit parametry a, b a definiční obor funkce táhnutím za ovladače, figura překresluje graf, definiční obor a obor hodnot funkce.

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Zobrazení kružnice v Mongeově promítání

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kruznicevlib.rovine.fig (15kb)

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Těžnice trojúhelníka

Interaktivní materiál vytvořený v Cabri. Ilustruje provedení důkazu tvrzení, že všechny tři těžnice v trojúhelníku se protínaji v jediném bodě - těžišti trojúhelníka

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parabola

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parabola.ggb (3kb)

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