2019 3marks Maris Stella P6 Paper2 SA1 P6 / Maris Stella / 2019 / SA1 / Paper 2 – Q10 [3 marks] Question: OPQR is a trapezium and ORS is a right-angled triangle. AOB is a straight line. ∠AOR is 117° and ∠BOP is 138°. Find ∠ORS. Solution: Similar Posts P6 / River Valley / 2019 / CA1 / Paper 1 – Q20 [1 mark] P6 / Henry Park / 2020 / SA2 Prelims / Paper 2 – Q03 [2 marks]