Higher November 2021 Paper 5 Q5
5 Work out the volume of this prism.
Not to scale
[4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 32 | 4 | M2 for correct method to find area of L shaped face e.g 6 × 3 – 5 × 2 or M1 for finding one of the relevant partial lengths of 2 or 5 M1 for their area × 4 | M1 could be on diagram |
| OR M1 for 3 × 4 × 1 M1 for 5 × 4 × 1 A1 for 12 or 20 | Treat extra volumes as choice A1 Implies M1 Mark as oe for other correct products if split into two different cuboids that make the solid | ||
| OR M1 for 6 × 3 × 4 M1 for 2 × 5 × 4 A1 for 72 or 40 | Not 6 × 3 × 4 × 1 × 1 Treat extra volumes as choice A1 implies M1 unless 72 comes from 6 × 3 × 4 × 1 × 1 | ||