//Find the area and
circumferences of a circle .
#include<stdio.h>
void main()
{
float area,
circumferences, radius, PI=3.14156;
printf("Please enter
the value of Radius :\n");
scanf("%f",
&radius);
area = PI*radius*radius;
circumferences =
2*PI*radius;
printf("Area=%.2f \n
circumferences = %.2f", area, circumferences);
}