what is size of hockey rink?

NHL:200 ft. by 85 ft.;IIHF:200 ft. by 98 ft... NHL corner radius of 28 ft... IIHF corner radius of 14 ft... goal line is 4 ft. from boards,on both sides...NHL:blue line:64 ft. to goal line... IIHF:blue line:56 ft. to goal line... distance from blue line to blue line:NHL:50 ft... IIHF:56 ft...