One relaxing attraction at the park is a ferry ride across the river. visitors are picked up at point a and taken across to point b. the return trip drops them off at point c. find the length of side ab.

If one relaxing attraction at the park is a ferry ride across the river, thus the visitors are picked up at point A and taken across to point B, and the return trip drops them off at point C, then the length of side AB with the endpoints of A is 4,16 and B 20,4 is 7 inches.