Programming in C++, 2nd Edition

230 Functions in C++

double area3;

area1=calcarea(10,20);

area2=calcarea(4.5,2.1);

area3=calcarea(3.12145);

clrscr();

cout<<“Area of rectangle is: ”<<area1<<endl;

cout<<“Area of triangle is: ”<<area2<<endl;

cout<<“Surface Area of sphere is: ”<<area3<<endl;

return 0;

}

int calcarea(int length,int breadth)

{

return (length*breadth);

}

float calcarea(double base,double height)

{

return ((0.5)*base*height);

}

float calcarea(double radius)

{

return (4*pi*radius*radius);

}

OUTPUT

Area of rectangle is : 200

Area of triangle is : 4.725

Surface Area of sphere is : 122.489087

Explanation: In the above program, function calcarea() is overloaded. It is used ...