Question
In the figure, DEGH, FENM, FGJK, HJLM and DNLK are straight lines. Find the value of ∠j + ∠k + ∠m + ∠n.
3 m

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In the figure, DEGH, FENM, FGJK, HJLM and DNLK are straight lines. Find the value of ∠j + ∠k + ∠m + ∠n.