Question
In the figure, QRVX, TSVW and PRSU are three straight lines.  ∠d = 70° and ∠h = 50°. Find the value of ∠c + ∠e + ∠f + ∠g.
2 m

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In the figure, QRVX, TSVW and PRSU are three straight lines.  ∠d = 70° and ∠h = 50°. Find the value of ∠c + ∠e + ∠f + ∠g.