```
#include<iostream>
using namespace std;
int area(int);
int area(int,int);
float area(float);
float area(float,float);
int main()
{
int s,l,b;
float bs,ht;
cout<<"Enter side of a square:";
cin>>s;
cout<<"Enter length and breadth of rectangle:";
cin>>l>>b;
cout<<"Enter base and height of triangle:";
cin>>bs>>ht;
cout<<"Area of square is"<<area(s);
cout<<"\nArea of rectangle is "<<area(l,b);
cout<<"\nArea of triangle is "<<area(bs,ht);
}
int area(int s)
{
return(s*s);
}
int area(int l,int b)
{
return(l*b);
}
float area(float bs,float ht)
{
return((bs*ht)/2);
}
```

**Sample Input**

Enter side of a square:2

Enter length and breadth of rectangle:3 6

Enter base and height of triangle:4 4

**Sample Output**

Area of square is4

Area of rectangle is 18

Area of triangle is 8