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Xantrus · Answer 1 · 2018-11-15T22:35:10+0000

Angle 4 and 2 are equal so angle 2 is 142°

Angle 1 is complementary to angle 4 and equal to angle 3....

So angle 1 and 3 equal (180-142)=38°

So and 1,2, and 3 are 38°,142°, and 38° respectively.

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