O-LevelMathematicsGeometry4024/12 · Oct/Nov 2019 · Q72 Marks
The diagram shows a circle, its centre and two chords of equal length. The diagram has one line of symmetry. Draw this line of symmetry. [Figure X.X]
- (a)The diagram shows a circle, its centre and two chords of equal length. The diagram has one line of symmetry. Draw this line of symmetry. [Figure X.X][1]
- (b)In the diagram below, two small triangles are shaded. Shade one more small triangle to give a diagram that has rotational symmetry of order 3. [Figure X.X][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 2019). The mark or mark type is shown in brackets.
- [1] (a) Acceptable line through the centre of the circle
- [1] (b) [Image shows the small triangle at the bottom left of the central upward-pointing triangle, relative to the existing shaded triangles, as shaded.]
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