two hikers decide to part ways when arriving at a fork in the road. Hiker A, holding a steady pace of 3 miles per hour, takes the road to the right, and hiker b takes the road on the left, holding a steady pace of 5 miles per hour. After 12 hours, Hiker A is 76.6 miles from hiker b. What is the angle formed by the intersection of their roads (at the fork). Round to the nearest degree