#include<iostream.h>

#define PI 3.14159

class Shape

{public:

virtual void printArea() = 0;

};

class Circle : public Shape

{public:

Circle(float Radius)

{

mRadius = Radius;

}

void printArea()

{

cout<<"The Circle's Area is "<<PI*mRadius*mRadius<<endl;

}

private:

float mRadius;

};

class Rectangle : public Shape

{public:

Rectangle(float Length, float Height)

{

mLength = Length;

mHeight = Height;

}

void printArea()

{

cout<<"The Rectangle's Area is "<<mLength*mHeight<<endl;

}

private:

float mLength, mHeight;

};

int main()

{

Circle mCircle(2.0);

mCircle.printArea();

Rectangle mRectangle(3.0, 4.0);

mRectangle.printArea();

return 0;

}