Question: are all nhl arenas the same size?
Answer: Most North American rinks follow the National Hockey League (NHL) specifications of 200 by 85 feet (60.96 m × 25.9 m) with a corner radius of 28 feet (8.5 m). Each goal line is 11 feet (3.4 m) from the end boards. NHL blue lines are 75 feet (22.9 m) from the end boards and 50 feet (15.2 m) apart.