Question
The figure consists of 3 identical triangles. PQ is a straight line. If ∠i + ∠j + ∠m = 123°, what is the sum of ∠h, ∠k and ∠n?
2 m

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The figure consists of 3 identical triangles. PQ is a straight line. If ∠i + ∠j + ∠m = 123°, what is the sum of ∠h, ∠k and ∠n?