Calcular el area de una circunferencia de 9m de diametro
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Diametro = 9cm
Radio = Diametro/2
Radio(r) = 9/2 = 4,5m
π = 3,14
Formula .
Area de circulo(Ac) = π * r²
Ac = 3,14 * (4,5m)²
Ac = 3,14 * 20,25m²
Ac = 63,585m²
Respuesta.
El area del circulo es de 63,585m²