int intLines; string str; TextReader txtReader; txtReader = Console.In; Console.WriteLine("How many lines need to be displayed?"); intLines = Convert.ToInt16(txtReader.ReadLine()); Console.WriteLine("Enter the character to be placed as triangle?"); str = txtReader.ReadLine(); Console.Clear(); StringBuilder strBuilder = new StringBuilder(str); int intCursorYposition = 0; int intCursorXposition = Console.BufferWidth / 2; ...