O-LevelMathematicsGeometry4024/12 · Oct/Nov 2021 · Q192 Marks
A, B and C lie on a circle, centre O. The line PBQ is a tangent to the circle at B. OCQ is a straight line. BQO = 36° and BAC = x°. Find the value of x. [Figure X.X]
- (a)Find the value of x.[2]
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Mark scheme
Marking points from the official mark scheme (Oct/Nov 2021). The mark or mark type is shown in brackets.
- [2] 27
- B1 for BÔQ = 54 soi or OBQ = 90 soi or BÔQ = 2x soi
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