static void Main(string[] args)
{
CartPt pt1 = new CartPt(0, 0);
CartPt pt2 = new CartPt(3, 4);
CartPt pt3 = new CartPt(7, 1);
IShape c1 = new Circle(new CartPt(50, 50), 10, "red");
IShape c2 = new Circle(new CartPt(50, 50), 30, "red");
IShape c3 = new Circle(new CartPt(30, 100), 30, "blue");
IShape s1 = new Square(new CartPt(50, 50), 30, "red");
IShape s2 = new Square(new CartPt(50, 50), 50, "red");
IShape s3 = new Square(new CartPt(20, 40), 10, "green");
var result1 = pt1.distToOrigin();
var result2 = c2.area();
var result3 = s3.biggerThan(c3);
var result4 = s3.grow(30);
Console.WriteLine(result1);
}
// to compute the distance form this shape to the origin
public double distToOrigin()
{
return(_nw.distToOrigin());
}
