Question
In the figure, FGH is an equilateral triangle, BCDE is a square and GCDH is a straight line. ∠j = 120° and ∠k = 120°. Find the sum of ∠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. ∠j = 120° and ∠k = 120°. Find the sum of ∠l and ∠m.