Question
EGL, FGK and HGJ are straight lines. Given that ∠m = ∠n = 42°, ∠p = 117°, ∠q = 109° and ∠r = 18°, find ∠s.
3 m

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EGL, FGK and HGJ are straight lines. Given that ∠m = ∠n = 42°, ∠p = 117°, ∠q = 109° and ∠r = 18°, find ∠s.