In the diagram O is the center of circle PRQ. The radius is 3.5cm and ∠POQ = 50o. Use the diagram to answer question below. (take π = 3.142) Calculate correct to one decimal place, the length of arc PQ.
Attached Figure / Diagram
Question diagram
A
175.0cm
B
157.1cm
C
37.7cm
D
11.0cm
E
3.1cm