O-LevelMathematicsGeometry4024/12 · Oct/Nov 2025 · Q174 Marks
Triangle ABC is similar to triangle PQR. [Figure: Triangle ABC with AB=6cm, AC=7cm. Triangle PQR with PQ=9cm. Angle at B and Q marked same, angle at C and R marked same. NOT TO SCALE]
- (a)Calculate PR.[2]
- (b)The area of triangle ABC is 16cm². Calculate the area of triangle PQR.[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 2025). The mark or mark type is shown in brackets.
- [2] (a) 21/2 oe
- [2] (a) M1 for (9/PR) = (6/7) or oe
- [2] (b) 36 nfww
- [2] (b) B1 for (9/6)² oe soi or (their PR/7)² oe soi
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