In the diagram O is the center of circle PRQ Th... - WAEC Mathematics 1998 Question
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
Calculate, correct to three significant figures, the area of sector OPQ
A
3.403cm2
B
5.350cm2
C
10.99cm2
D
157.1cm2
correct option: b
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