cube et section

Topic:Cube

Illustration tiré d'un exercice de terminale où il est demandé : "Les points E, I, J et K sont-ils coplanaires ?". On voit bien que non, il ne reste plus qu'à le démontrer...

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Midpoint Theorem (V2): Integer Solutions
Writing and Graphing Proportional Relationships (k>0)
Segment Addition Postulate (Mild Questions)
Right Triangle Inscribed in a Semicircle
Squaring a Rectangle (PST Version)

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Visualizing the behaviour of some elements of a sequence
equal area rectangle slider
Longitude and Latitude
spherical equilateral triangle adapted from Hannu Korhonen
Horizontal space

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Trigonometric Functions
Rational Numbers
Integers
Interest Calculation
Power Functions