Question
The figure, not drawn to scale, is made up of an equilateral triangle STU and a trapezium VWYZ. ∠ZYW = 115°, ∠YWV = 64° and ∠WVZ = 56°. Find the sum of ∠r, ∠s , and ∠t.
3 m

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The figure, not drawn to scale, is made up of an equilateral triangle STU and a trapezium VWYZ. ∠ZYW = 115°, ∠YWV = 64° and ∠WVZ = 56°. Find the sum of ∠r, ∠s , and ∠t.