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 / Maris Stella / 2020 / SA2 Prelims / Paper 1 – Q06 [1 mark] P6 / Methodist Girls / 2021 / SA2 / Paper 2 – Q13 [4 marks]