Question
The figure consists of 3 identical triangles. XY is a straight line. If ∠t is 70°, what is the sum of ∠v, ∠w, ∠x, ∠y and ∠z?
2 m

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The figure consists of 3 identical triangles. XY is a straight line. If ∠t is 70°, what is the sum of ∠v, ∠w, ∠x, ∠y and ∠z?