1mark 2019 CA1 P6 Paper1 River Valley P6 / River Valley / 2019 / CA1 / Paper 1 – Q04 [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 – Q20 [1 mark] P6 / SCGS / 2020 / SA2 Prelims / Paper 2 – Q12 [4 marks]
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