O-LevelAdditional MathematicsCircular measureOct/Nov 2014Paper 2 Q1110 Marks
The diagram shows a sector OPQ of a circle with centre O and radius x cm. Angle POQ is 0.8 radians. The point S lies on OQ such that OS = 5cm. The point R lies on OP such that angle ORS is a right angle. Given that the area of triangle ORS is one-fifth of the area of sector OPQ, find [Figure 11.1]
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