Question
In the figure, RSWY, UTWX and QSTV are three straight lines.  ∠q = 68° and ∠v = 55°. Find the value of ∠p + ∠r + ∠s + ∠t.
2 m

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In the figure, RSWY, UTWX and QSTV are three straight lines.  ∠q = 68° and ∠v = 55°. Find the value of ∠p + ∠r + ∠s + ∠t.