O-LevelAdditional MathematicsCircular measureOct/Nov 2021Paper 1 Q99 Marks
The diagram shows a circle, centre O, radius 12cm, and a rectangle ABCD. The diagonals AC and BD intersect at O. The sides AB and AD of the rectangle have lengths 6cm and 4cm respectively. The points M and N lie on the circumference of the circle such that MAC and NDB are straight lines. [Figure 9.1]
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