Solution to the game with three circles.

Author:Doru Paunescu

Three blue circles with the same radius R meets two by two in A1, A2 respectively in A3. The red circle circumscribed to the triangle A1A2A3 has the same radius R iff the blue circles have a common point.

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Coordonatele unui punct
Corpuri geometrice 2
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Animated Flower-Patriciu(MD)
Flori Turcan Eugeniu

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Centrul de greutate al unui triunghi
Funcția de gradul al doilea
Doar cu 1, 2, 3 !
Triunghi intotdeauna isoscel (2)
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Diagrams
Sphere
Cube
Coordinates
Means