1mark 2020 CHIJ St Nicholas Girls P6 Paper1 SA2 P6 / CHIJ / 2020 / SA2 Prelims / Paper 1 – Q07 [1 mark] Question: Which two lines in the square grid below are perpendicular to each other? Solution: Similar Posts P6 / Catholic High / 2018 / SA1 / Paper 1 – Q25 [2 marks] P6 / Methodist Girls / 2020 / SA2 Prelims / Paper 1 – Q16 [1 mark]