O-LevelMathematicsMensuration4024/12 · May/June 2023 · Q93 Marks
The diagram shows a triangular prism. The cross-section is a right-angled isosceles triangle. [Figure X.X]
- (a)Write down the number of planes of symmetry of the prism.[1]
- (b)Work out the volume of the prism.[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 (May/June 2023). The mark or mark type is shown in brackets.
- 9(a) 2
- 9(b) 36 nfww
- 9(b) M1 for 1/2 × 3 × 3 [× 8] oe or for 1/2 × 3 × 3 × 8 oe
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