public override void ShowPerimeter()
{
Point v0 = new Point();
Point v1 = new Point();
Point v2 = new Point();
v0 = vertex[0];
v1 = vertex[1];
v2 = vertex[2];
double ret = DisPoint.Distance(v0, v1) + DisPoint.Distance(v1, v2)
+ DisPoint.Distance(v2, v0);
Console.WriteLine("Perimeter is {0}", ret);
}
public override void ShowArea()
{
if (input_given == false)
{
Console.WriteLine("Area of Triangle is 7.5 sq unit");
}
else
{
double s1, s2, s3, s, area;
Point v0 = new Point();
Point v1 = new Point();
Point v2 = new Point();
v0 = vertex[0];
v1 = vertex[1];
v2 = vertex[2];
s1 = DisPoint.Distance(vertex[0], vertex[1]);
s2 = DisPoint.Distance(vertex[1], vertex[2]);
s3 = DisPoint.Distance(vertex[2], vertex[0]);
s = (s1 + s2 + s3) * 0.5;
area = s * (s - s1) * (s - s2) * (s - s3);
Console.WriteLine("Area of Triangle is {0} sq unit", Math.Sqrt(area));
}
}
public override void ShowPerimeter()
{
Console.WriteLine("Perimeter is {0}", 2 * (DisPoint.Distance(vertex[0], vertex[2]) + DisPoint.Distance(vertex[1], vertex[3])));
}
public override void ShowArea()
{
Console.WriteLine("Area is {0}", Math.Sqrt(DisPoint.Distance(vertex[0], vertex[2]) * DisPoint.Distance(vertex[1], vertex[3])));
}