#include <stdio.h>
int main()
{
double r=0;
double perimeter=0;
double PI=3.14;
double area;
printf("Put a radious");
scanf("%lf", &r);
area=PI*r*r;
perimeter=PI*2.0*r;
printf("Area of the circle is %lf.\n", area);
printf("Perimeter of the circle is %lf.\n", perimeter);
return 0;
}
int main()
{
double r=0;
double perimeter=0;
double PI=3.14;
double area;
printf("Put a radious");
scanf("%lf", &r);
area=PI*r*r;
perimeter=PI*2.0*r;
printf("Area of the circle is %lf.\n", area);
printf("Perimeter of the circle is %lf.\n", perimeter);
return 0;
}
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