O-LevelMathematicsGeometry4024/11 · Oct/Nov 2022 · Q45 Marks
4 [Figure shows positions of two ships A and B, with North lines indicated for both. Scale: 1 cm to 30 m] The diagram shows the position of two ships, A and B. On the diagram 1 cm represents 30m. (a) Find, by measurement, the actual distance of B from A. (b) Measure the bearing of B from A. (c) A third ship is positioned at C. C is on a bearing of 164° from A and on a bearing of 252° from B. Find and label the position of C on the diagram.
- (a)Find, by measurement, the actual distance of B from A.[2]
- (b)Measure the bearing of B from A.[1]
- (c)A third ship is positioned at C. C is on a bearing of 164° from A and on a bearing of 252° from B. Find and label the position of C on the diagram.[2]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2022). The mark or mark type is shown in brackets.
- [2] 162 to 174
- B1 for 5.4 to 5.8
- or M1 for their distance in cm written and their answer is 30 times this value
- [1] 123 to 127
- [2] C in correct position
- B1 for bearing of 164° from A or 252° from B
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