1mark 2020 Catholic High P6 Paper1 SA2 P6 / Catholic High / 2020 / SA2 Prelims / Paper 1 – Q20 [1 mark] Question: Name the two lines that are perpendicular to each other. Solution: Similar Posts P6 / Catholic High / 2019 / SA1 / Paper 2 – Q15 [5 marks] P6 / Catholic High / 2018 / SA1 / Paper 1 – Q07 [1 mark]