Area of Square:
area=side*side;
program:
#include< iostream>
class r4r
{
public:
int find_area(int side)
{
int area;
area=side*side;
cout<<"Area is "<< area;
}
};
int main() {
int side;
r4r obj;
cout<<"Enter side of the Square"<< endl;
cin>>side;
obj.find_area(side);
}
Enter side of the Square
10
Area is 100