Code:area of circle,area of volume

#include<stdio.h> #include<conio.h> void main()
{
float r,a,v;
clrscr();
printf(“Enter the radius : “);
scanf(“%f”,&r);
a=43.14rr; v=3.14rrr*4/3;
printf(“\nArea of Circle is : %f”,a);
printf(“\nVolume of Circle is : %f”,v);
getch();
}