Question
The figure shows 4 triangles. If the sum of ∠k and ∠m is 121°, find the sum of ∠c + ∠a + ∠y + ∠b.
2 m

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The figure shows 4 triangles. If the sum of ∠k and ∠m is 121°, find the sum of ∠c + ∠a + ∠y + ∠b.