Question
LNS, MNR and PNQ are straight lines. Given that ∠t = ∠u = 43°, ∠v = 117°, ∠w = 109° and ∠x = 23°, find ∠y.
3 m

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LNS, MNR and PNQ are straight lines. Given that ∠t = ∠u = 43°, ∠v = 117°, ∠w = 109° and ∠x = 23°, find ∠y.