1mark 2021 Henry Park P6 Paper1 SA2 P6 / Henry Park / 2021 / SA2 / Paper 1 – Q05 [1 mark] Question: Which two lines are perpendicular to each other? Solution: Similar Posts P6 / Rosyth / 2019 / SA1 / Paper 2 – Q17 [5 marks] P6 / Methodist Girls / 2020 / SA2 Prelims / Paper 2 – Q10 [3 marks]