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WAEC - Mathematics (1998 - No. 42)
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 one decimal place, the length of arc PQ.
175.0cm
157.1cm
37.7cm
11.0cm
3.1cm
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