Bonsoir,
périmètre:
2pir
r= 10/2 = 5
2* 3,14 * 5 =>31,40 m
31,40m = 3 140 cm
3 140/20 =>157 fleurs
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Bonsoir,
périmètre:
2pir
r= 10/2 = 5
2* 3,14 * 5 =>31,40 m
31,40m = 3 140 cm
3 140/20 =>157 fleurs
C pas drôle