C Area And Perimeter Of A Circle When Radius Is Given

C Area And Perimeter Of A Circle When Radius Is Given

/*Area And Perimeter Of A Circle When Radius Is Given*/
#include<stdio.h>
int main()

{const float pi=3.14;
float r,area,perimeter;
printf("Enter The Radius Of Circle in  cm:--");
scanf("%f",&r);
area=pi*r*r;
printf("Area Of Circle:--%f cm\n",area);
perimeter=2*pi*r;
printf("Perimetre Of Circle:--%f cm\n",perimeter);
return 0;
}