Higher June 2023 Paper 5 Q2
2 The diagram shows two straight lines crossing a pair of parallel lines.
Not to scale
(a) Write down the value of \(a\).
Give a reason for your answer. [2]
Give a reason for your answer. [2]
(b) Work out the value of \(b\). [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 125 Corresponding [angles] | 2 | B1 for each | Do not accept F [angles] Ignore irrelevant further comments |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 50 | 3 | M1 for 180 – 125 soi M1 for 75 marked in correct place[s] inside triangle or used in correct calculation to find angle | For M1, accept 55 marked on diagram in correct place[s] M1 for e.g. 180 – (180 – 125) –75 oe Do not award if incorrect angle e.g. 55 is also marked in a place where 75 should be |