#include

#include

void main()

{

int r;

int pi=3.14;

float cir,area;

clrscr();

printf("/n enter the radius of the circle;");

scanf("%d,"&r);

cir=2*pi*r;

area=pi*r*r;

printf("the circumference of the circle is%d",cir);

printf('the area of the circle is %d",area);

getche ();

}

#include

void main()

{

int r;

int pi=3.14;

float cir,area;

clrscr();

printf("/n enter the radius of the circle;");

scanf("%d,"&r);

cir=2*pi*r;

area=pi*r*r;

printf("the circumference of the circle is%d",cir);

printf('the area of the circle is %d",area);

getche ();

}