Question
In the figure, YZBC, AZHG, ABDE, CDFG and YHFE are straight lines. Find the value of ∠h + ∠i + ∠j + ∠k.
3 m

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In the figure, YZBC, AZHG, ABDE, CDFG and YHFE are straight lines. Find the value of ∠h + ∠i + ∠j + ∠k.