1mark 2020 Maris Stella P6 Paper1 SA2 P6 / Maris Stella / 2020 / SA2 Prelims / Paper 1 – Q17 [1 mark] Question: ABCD is a parallelogram. Measure ∠BCD. Solution: Similar Posts P6 / Nan Hua / 2021 / SA2 / Paper 2 – Q13 [5 marks] P6 / Maris Stella / 2020 / SA2 Prelims / Paper 2 – Q09 [3 marks]