O-LevelMathematicsGeometry4024/11 · Oct/Nov 2020 · Q153 Marks
Using compasses and a straight edge only, construct the bisector of AÊC.
- (a)Using compasses and a straight edge only, construct the bisector of AÊC.[2]
- (b)On the diagram, draw the locus of points inside triangle ABC that are 3 cm from AC.[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 2020). The mark or mark type is shown in brackets.
- [2] Acceptable ruled bisector of angle ABC, with correct construction arcs
- B1 for an acceptable bisector of angle ABC with no/incorrect construction arcs.
- [1] Acceptable ruled line parallel to AC.
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