Question
The figure shows 4 triangles. If the sum of ∠q and ∠y is 128° , find the sum of ∠d + ∠m + ∠s + ∠z.
2 m

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The figure shows 4 triangles. If the sum of ∠q and ∠y is 128° , find the sum of ∠d + ∠m + ∠s + ∠z.