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WAEC - Mathematics (1998 - No. 43)
In the diagram O is the center of circle PRQ. The radius is 3.5cm and ∠POQ = 50
o
. Use the diagram to answer question below. (take π = 3.142)
Calculate, correct to three significant figures, the area of sector OPQ
3.403cm
2
5.350cm
2
10.99cm
2
157.1cm
2
175.0cm
2
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