O-LevelAdditional MathematicsCircular measureMay/June 2013Paper 1 Q231 Mark
The diagram shows a square ABCD of side 16 cm. M is the mid-point of AB. The points E and F are on AD and BC respectively such that AE = BF = 6 cm. EF is an arc of the circle centre M, such that angle EMF is θ radians. Which of the following is the value of θ, correct to 3 decimal places?
A1.287 radians
B1.571 radians
C1.855 radians
D2.094 radians
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of circular measure within the Additional Mathematicssyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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