public static FigureSize GetRotatedFigureSize(FigureSize dimensionsOfFigure, double angleOfRotation)
{
double rotatedWidth = Math.Abs(Math.Cos(angleOfRotation)) * dimensionsOfFigure.Width + Math.Abs(Math.Sin(angleOfRotation)) * dimensionsOfFigure.Height;
double rotatedHeight = Math.Abs(Math.Sin(angleOfRotation)) * dimensionsOfFigure.Width + Math.Abs(Math.Cos(angleOfRotation)) * dimensionsOfFigure.Height;
FigureSize rotatedFigureSize = new FigureSize(rotatedWidth, rotatedHeight);
return rotatedFigureSize;
}
static void Main()
{
FigureSize figure = new FigureSize(5, 6);
FigureSize.GetRotatedFigureSize(figure, 90);
}