Question
The figure shows 4 triangles. If the sum of ∠j and ∠f is 130°, find the sum of ∠s + ∠e + ∠g + ∠d.
2 m

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The figure shows 4 triangles. If the sum of ∠j and ∠f is 130°, find the sum of ∠s + ∠e + ∠g + ∠d.