Question
In the figure, FGH is an equilateral triangle, BCDE is a square and GCDH is a straight line. Find the sum of ∠j, ∠k, ∠l and ∠m.
4 m

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In the figure, FGH is an equilateral triangle, BCDE is a square and GCDH is a straight line. Find the sum of ∠j, ∠k, ∠l and ∠m.