ACCEPTING RADIUS AND GIVING AREA

ACCEPTING RADIUS AND GIVING AREA 

 #include<iostrean.h>

 #include<conio.h>

 void main()

 {

 clrscr();

 float r,area;

 cout<<"enter radius:";

 cin>>r;

 area=(22/7)*r*r;

 cout<<"area of the given radius is <<area;

 getch();

 }