Elementary school year 6 Cycle 3



Soit O un point du plan et soit R un nombre strictement positif.
Le disque de centre O et de rayon R est l'ensemble des points M du plan tels que OMR.


Soit un disque de rayon R.
L'aire A de ce disque est égale au produit du carré de la longueur de son rayon par π, soit A=π×R×R ou encore A=πR 2.

Author of the page: Euler, Académie de Versailles

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