1mark 2020 Maris Stella P6 Paper1 SA2 P6 / Maris Stella / 2020 / SA2 Prelims / Paper 1 – Q10 [1 mark] Question: In the diagram below, AE and CF are straight lines. Find ∠DOE. Solution: Similar Posts P6 / Nan Hua / 2019 / SA1 / Paper 2 – Q14 [4 marks] P6 / Temasek / 2020 / SA2 Prelims / Paper 2 – Q13 [5 marks]