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@rogerioagjr
Last active August 29, 2015 14:19
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Área do Círculo
#include <cstdio> // printf e scanf
int main(){
double raio; // declaro a variável raio
scanf("%lf", &raio); // leio o valor na tela e salvo em raio
double pi; // declaro a variável pi
pi=3.14159; // faço pi receber o valor de 3.14159
printf("A area eh %.2lf\n", raio*raio*pi); // imprimo a frase "A area eh " seguida do valor da área
// com precisão de duas casas decimais e a quebra de linha
return 0;
}
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