Bonsoir:
formules:
périmètre: 2pir
aire: pir²
P: 2*3,14 * 4 => 25,12cm
A: 3,14* 4² => 50,24cm²
P : 2*3,14*6 => 37,68cm
A : 3,14* 6² => 113,04cm²
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Bonsoir:
formules:
périmètre: 2pir
aire: pir²
P: 2*3,14 * 4 => 25,12cm
A: 3,14* 4² => 50,24cm²
P : 2*3,14*6 => 37,68cm
A : 3,14* 6² => 113,04cm²