/**
* Je li trokut pravokutan?
*/
public bool IsPythagorean()
{
float a = VertexAB.Length();
float b = VertexBC.Length();
float c = VertexCA.Length();
return(Util.IsPythagorean(a, b, c) || Util.IsPythagorean(a, c, b) || Util.IsPythagorean(b, c, a));
}
/**
* Je li trokut jednakokracan?
*/
public bool IsIsosceles()
{
if (VertexAB.EqualLength(VertexBC) && !VertexCA.EqualLength(VertexAB) && !VertexCA.EqualLength(VertexAB))
{
return(true);
}
if (VertexAB.EqualLength(VertexCA) && !VertexBC.EqualLength(VertexAB) && !VertexBC.EqualLength(VertexCA))
{
return(true);
}
if (VertexBC.EqualLength(VertexCA) && !VertexAB.EqualLength(VertexBC) && !VertexAB.EqualLength(VertexCA))
{
return(true);
}
return(false);
}
/**
* Je li trokut jednakostranican?
*/
public bool IsEquilateral()
{
return(VertexAB.EqualLength(VertexBC) && VertexBC.EqualLength(VertexCA) && VertexCA.EqualLength(VertexAB));
}
public override float Perimeter()
{
return(VertexAB.Length() + VertexBC.Length() + VertexCA.Length());
}
public override float Area()
{
float s = Perimeter() / 2;
return((float)Math.Sqrt(s * (s - VertexAB.Length()) * (s - VertexBC.Length()) * (s - VertexCA.Length())));
}
