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 / Ai Tong / 2020 / SA2 Prelims / Paper 1 – Q11 [2 marks] P6 / Methodist Girls / 2020 / SA2 Prelims / Paper 1 – Q26 [2 marks]