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Question
In the adjoining figure, the angle of elevation of the point C from the point B, is:
Options
30°
45°
22.5°
67.5°
MCQ
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Solution
22.5°
Explanation:
Triangle ABC is right-angled at A.
So, the interior angles satisfy x + 3x + 90° = 180°.
Thus, 4x = 90° and x = 22.5°.
The angle of elevation of C from B is the angle at B (x = 22.5°).
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