Question
The figure shows 4 triangles. If ∠e is 70°, find the sum of ∠b + ∠c + ∠d + ∠r + ∠i.
2 m

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The figure shows 4 triangles. If ∠e is 70°, find the sum of ∠b + ∠c + ∠d + ∠r + ∠i.