/// <summary>
/// override method get square for simple triangle
/// </summary>
/// <returns>Value of the square simple triangle</returns>
public override double GetSquare()
{
double sizeSideAB = PointA.GetDistance(PointB);
double sizeSideAC = PointA.GetDistance(PointC);
double sizeSideBC = PointB.GetDistance(PointC);
double poluPim = (sizeSideAB + sizeSideAC + sizeSideBC) / 2;
return(Math.Sqrt(poluPim * (poluPim - sizeSideAB) * (poluPim - sizeSideAC) * (poluPim - sizeSideBC)));
}
/// <summary>
/// override method get square for right triangle
/// </summary>
/// <returns>Value of the square right triangle</returns>
public override double GetSquare()
{
double sizeSideAB = PointA.GetDistance(PointB);
double sizeSideAC = PointA.GetDistance(PointC);
double sizeSideBC = PointB.GetDistance(PointC);
if (sizeSideAB < sizeSideBC && sizeSideAC < sizeSideBC)
{
return(sizeSideAB * sizeSideAC / 2);
}
else
{
if (sizeSideAB < sizeSideBC && sizeSideBC < sizeSideAC)
{
return(sizeSideAB * sizeSideBC / 2);
}
}
return(sizeSideAC * sizeSideBC / 2);
}
public override double GetArea()
{
double p = this.GetPerimeter() / 2.0;
return(Math.Sqrt(p * (p - PointA.GetDistance(PointB)) * (p - PointA.GetDistance(PointC)) * (p - PointB.GetDistance(PointC))));
}
public override double GetPerimeter()
{
return(PointA.GetDistance(PointB) + PointA.GetDistance(PointC) + PointB.GetDistance(PointC));
}
/// <summary>
/// override method get square for equilateral triangle
/// </summary>
/// <returns>Value of the square equilateral triangle</returns>
public override double GetSquare()
{
double sizeSideAB = PointA.GetDistance(PointB);
return(sizeSideAB * sizeSideAB * Math.Sqrt(3) / 4);
}