Answer
angle 3 = 38
angle 5 = 53
angle 4 = 37
angle 2 = 52
Work Step by Step
Theorem 6-22 : angle 1 = 90
Triangle Angle-Sum Theorem :
angle 4 = 180 - (90 + 53) = 180 - 143 = 37
angle 2 = 180 - (90 + 38) = 180 - 128 = 52
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