Question
In the figure, MNSU, QPST and LNPR are three straight lines.  ∠y = 54°. Find the value of ∠s + ∠t + ∠v + ∠w + ∠x.
2 m

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In the figure, MNSU, QPST and LNPR are three straight lines.  ∠y = 54°. Find the value of ∠s + ∠t + ∠v + ∠w + ∠x.