The figure shows a walkway with a handrail. Angle ? is the angle between the walkway and the horizontal, while angle ? is the angle between the vertical posts of the handrail and the walkway. Assume that the vertical posts are perpendicular to the horizontal.
?
?
Find ? if ? = 52°.
?
A. ? = 57°
B. ? = 123°
C. ? = 38°
D. ? = 128°
E. ? = 52°
Answer: C
Mathematics
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