**Before watching this make sure that you’ve tried enough**
#include <stdio.h> int main() { double A,R; scanf("%lf",&R); A = 3.14159 *(R * R); printf("A=%0.4lf\n",A); return 0; }
If this solution helped you, please share this with your friends.
**Before watching this make sure that you’ve tried enough**
#include <stdio.h> int main() { double A,R; scanf("%lf",&R); A = 3.14159 *(R * R); printf("A=%0.4lf\n",A); return 0; }
If this solution helped you, please share this with your friends.