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Dec 12th, 2019
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  1. #include <iostream>
  2. #include <math.h>
  3. using namespace std;
  4. int main()
  5. {
  6. system("color fd");
  7. double pi=M_PI,radio,area,perimetro;
  8. cout<<"Introduce el valor del radio del circulo: ";
  9. cin>>radio;
  10. cout<<"El area del circulo vale: "<<pi*radio*radio<<endl;
  11. cout<<"La longitud de la circunferencia vale: "<<2*pi*radio;
  12. }
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