
Que de ballons : choisissez les bons lots | Tangente
♦ Que de ballons !


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Every World Cup has its own ball. But while the ball's colors and technical features take center stage, let's not forget the mathematics hidden within!

The relationship between mathematics and sport is not purely theoretical. It is used every day by athletes, by those who coach them, and by the developers who simulate them.

The use of maths to optimize performance dates back to ancient Greece; today it extends to almost every discipline and is even spreading among the general public.

Round, are they? It is not that simple! Each ball is made differently, depending on how it will be used. A survey of their construction offers an opportunity to revisit some lesser-known principles of geometry.