Question
In the figure, MNP is an equilateral triangle, HJKL is a square and NJKP is a straight line. Find the sum of ∠q, ∠r, ∠s and ∠t.
4 m

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In the figure, MNP is an equilateral triangle, HJKL is a square and NJKP is a straight line. Find the sum of ∠q, ∠r, ∠s and ∠t.