Question
The figure consists of 3 identical triangles. WX is a straight line. If ∠c is 81°, what is the sum of ∠d, ∠e, ∠f, ∠g and ∠h?
2 m

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The figure consists of 3 identical triangles. WX is a straight line. If ∠c is 81°, what is the sum of ∠d, ∠e, ∠f, ∠g and ∠h?