Both circle A and circle B have a central angle measuring 135°. The ratio of the radius of circle A to the radius of circle B is 4 7 . If the length of the intercepted arc for circle A is 1 2 π, what is the length of the intercepted arc for circle B? A) 1 2 π B) 2 3 π C) 5 7 π D) 7 8 π