O-LevelMathematicsVectors and transformations4024/12 · Oct/Nov 2016 · Q133 Marks
Triangle ABC is mapped onto triangle A'B'C' by a rotation, centre O, through 110° clockwise. Draw and label triangle A'B'C'. [Figure 13.1]
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 2016). The mark or mark type is shown in brackets.
- [3*] Correct triangle
- Following an attempt at a rotation of 110° about O, award
- C2 for two correct vertices
- or C1 for one correct vertex.
- If [0] scored then either
- B1 for arc(s) of correct radii, centre O, (from A, B or C);
- or B1 for AOA' or BOB' or COC' = 110°
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