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

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