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In Fig. 9.2, the observer is looking at an object above the horizontal level. The angle formed by the line of sight with the horizontal is called the 
Aangle of depression
Bangle of inclination
Cangle of elevation
Dcomplementary angle
Answer & Solution
Correct answer: C. angle of elevation
When the object is above the observer’s horizontal level, the angle between the horizontal and the line of sight is called the angle of elevation.
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