Post by Rahul Yadav on Aug 24, 2015 17:26:46 GMT 5.5
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
long double rad, ar, peri;
const double pi=3.14;
cout<<"Enter the radius : "<<endl;
cin>>rad;
ar=rad*rad*pi;
peri=2*pi*rad;
cout<<"The area of the circle is : "<<ar<<endl;
cout<<"The perimeter of the circle is : "<<peri<<endl;
getch();
}
#include<conio.h>
void main()
{
clrscr();
long double rad, ar, peri;
const double pi=3.14;
cout<<"Enter the radius : "<<endl;
cin>>rad;
ar=rad*rad*pi;
peri=2*pi*rad;
cout<<"The area of the circle is : "<<ar<<endl;
cout<<"The perimeter of the circle is : "<<peri<<endl;
getch();
}
