Triangle abc has the following side lengths: ab = 5 ft, bc = 10 ft, ca = 12 ft triangle def is similar to triangle abc. the shortest side of triangle def, de = 8.5 ft. what are the lengths for the other two sides of triangle def? a. ef 17 ft; fd = 20.4 ft b. ef = 6 ft; fd = 7.2 ft c. ef = 10 ft; fd = 12 ft d. ef = 20 ft; fd = 24 ft