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 three significant figures, the area of sector OPQ
A.
3.403cm2
B.
5.350cm2
C.
10.99cm2
D.
157.1cm2
E.
175.0cm2
Correct answer is B
No explanation has been provided for this answer.