Write a cpp program to calculate area of a circle?
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int r;
cout<<"Enter radius of circle: ";
cin>>r;
cout<<"Area of circle is: "<<3.14*r*r;
getch();
}
#include<conio.h>
void main()
{
clrscr();
int r;
cout<<"Enter radius of circle: ";
cin>>r;
cout<<"Area of circle is: "<<3.14*r*r;
getch();
}
Ourput:
/* For IDK Code Block */
#include<iostream>
#include<conio.h>
using namespace std;
main()
{
int r;
cout<<"Enter radius of circle: ";
cin>>r;
cout<<"Area of circle is: "<<3.14*r*r;
getch();
}
Output:
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