The angle of depression from C to point A 48°. The correct option is c. 48°
Angles of depression
From the question, we are to determine the angle of depression from C to point A
The angle of depression is the angle formed between the horizontal line and the line of sight when an observer looks downwards at an object
Thus, in the given diagram
The angle of depression is 90° - 42°
Angle of depression = 48°
Hence, the angle of depression from C to point A 48°. The correct option is c. 48°
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