A. 10
B. 11
C. 12
D. 15
E. 18
- The five semicircles in the figure below touch only at their corners. If the distance from A to F along the diameters of the semicircles is
60 inches, what is the distance, in inches, from F to A along the arcs of these semicircles?
A. 30π
B. 40π
C. 60π
D. 72π
E. 90π