Write a C program to calculate area of circle

Write a C program to calculate area of circle

#include
#include 
int main() {
   float radius, area;
 
   printf("\nEnter the radius of Circle : ");
   scanf("%d", &radius);
 
   area = 3.14 * radius * radius;
   printf("\nArea of Circle : %f", area);
 
   return (0);
}