Question
In the figure, WOX, YOZ, AOB and COD are straight lines. Find ∠n + ∠e + ∠f + ∠g + ∠h + ∠j + ∠k + ∠m.
2 m

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In the figure, WOX, YOZ, AOB and COD are straight lines. Find ∠n + ∠e + ∠f + ∠g + ∠h + ∠j + ∠k + ∠m.