#include<stdio.h>
int main()
{
float radius = 0, area = 0, circumference = 0;
printf(" #include<stdio.h>
int main()
{
float radius = 0, area = 0, circumference = 0;
printf(" Enter the radius of the circle : ");
scanf("%f",&radius);
area = 3.14*radius*radius;
circumference = 2*3.14*radius;
printf(" The area of the circle is %f",area);
printf(" \n The circumference of the circle is :%f",circumference);
return 0;
}
OUTPUT
Enter the radius of the circle : 12
Enter the radius of the circle : 452.160004
The circumference of the circle is : 75.360001
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