O-LevelMathematicsGeometry4024/12 · Oct/Nov 2017 · Q234 Marks
The diagram shows the triangle ABC.
- (a)Measure angle ABC.[1]
- (b)On the diagram, construct the perpendicular bisector of AB.[1]
- (c)On the diagram, construct the locus of points that are 5 cm from C.[1]
- (d)The points P and Q lie on the perpendicular bisector of AB and are 5 cm from C. Mark and label the points P and Q on the diagram and measure PQ.[1]
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 2017). The mark or mark type is shown in brackets.
- [1] 23(a) 97 to 99 inclusive
- [1] 23(b) Acceptable line
- [1] 23(c) Full circle, centre C, radius 5 cm
- [1] 23(d) 4.3 to 4.9 cm, dep. on two labelled intersections of an acceptable line and arc.
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