Question
In the figure, LMRT, PNRS and KMNQ are three straight lines.  ∠r = 71° and ∠w = 54°. Find the value of ∠q + ∠s + ∠t + ∠v.
2 m

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In the figure, LMRT, PNRS and KMNQ are three straight lines.  ∠r = 71° and ∠w = 54°. Find the value of ∠q + ∠s + ∠t + ∠v.