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Mathematics, 13.04.2021 01:50 mamaDee5919

1) Pour fabriquer cet élément décoratif en fer forgé, on a utilisé 138,16m de métal. Si tous les petits cercles sont de même grandeur
et que la circonférence du grand cercle est de 51,81 m, quel est le
rayon du petit cercle? Arrondis aux centièmes près.

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