A-LevelMathematicsCircular measureFeb/Mar 2020Paper 1 Q76 Marks
The diagram shows a sector AOB which is part of a circle with centre O and radius 6cm and with angle AOB = 0.8 radians. The point C on OB is such that AC is perpendicular to OB. The arc CD is part of a circle with centre O, where D lies on OA. [Figure X.X]
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