#include <stdio.h>
#include <stdlib.h>
#define PI 3.1415 //PI es una constante. La creamos aqui para poder usar en cualquier parte
float getPerimetro ( int radio ) {
float perimetro = 2 * PI * radio ;
return perimetro;
}
float getArea ( int radio ) {
float area = PI * radio * radio;
return area;
}
int main ( int argc, char *argv[] ) {
//Inicializacion de las variables
float radio = 0;
float perimetro = 0;
float area = 0;
printf ( "**************************************************************\n" );
printf ( "* CALCULADOR DE ARE Y PERIMETRO DEL CIRCULO *\n" );
printf ( "*************************************************************\n\n" );
printf ( "Introduce el radio: \n" );
scanf ( "%f", &radio );
//Calculos
area = getArea( radio );
perimetro = getPerimetro( radio );
//resultados
printf ( "Mi resultado del area es: - %f - \n", area );
printf ( "El Perimetro es: - %f - \n", perimetro );
printf ( "Press ENTER to continue...\n" );
getchar();
system ( "PAUSE" );
return 0;
}