Question
In the figure, DEJL, GFJK and CEFH are three straight lines.  ∠g = 72° and ∠k = 57°. Find the value of ∠f + ∠h + ∠i + ∠j.
2 m

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In the figure, DEJL, GFJK and CEFH are three straight lines.  ∠g = 72° and ∠k = 57°. Find the value of ∠f + ∠h + ∠i + ∠j.