Question
MPT, NPS and QPR are straight lines. Given that ∠u = ∠v = 40°, ∠w = 121°, ∠x = 102° and ∠y = 17°, find ∠z.
3 m

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MPT, NPS and QPR are straight lines. Given that ∠u = ∠v = 40°, ∠w = 121°, ∠x = 102° and ∠y = 17°, find ∠z.