1mark 2019 ACS CA1 P6 P6 / ACS / 2019 / CA1 – Q02 [1 mark] Question: XY is a straight line as shown in the figure. Find ∠a. Solution: Similar Posts P6 / Henry Park / 2021 / SA2 / Paper 1 – Q22 [2 marks] P6 / Henry Park / 2022 / SA2 Prelims / Paper 1 – Full Paper Solution