public static void Main()
GetGoldenRectanglesCount();
public static void GetGoldenRectanglesCount()
int[,] arrRectDimen = {{10, 1}, {165, 100}, {180, 100}, {170, 100}, {160, 100}};
int goldenRectangles = 0;
for(int i = 0; i < arrRectDimen.GetLength(0); i++)
if ((double)arrRectDimen[i, 0] / arrRectDimen[i, 1] >= 1.6 &&
(double)arrRectDimen[i, 0] / arrRectDimen[i, 1] <= 1.7)
Console.WriteLine("No of golden rectangles - " + goldenRectangles);