When we see at a higher level , from the horizontal line,angle
Chapter 6 – Trigonometry – Text Book Solution
Problem set 6| Q 1.4| Page 138
(4) When we see at a higher level , from the horizontal line,angle formed is……. .
(A) angle of elevation.
(B) angle of depression.
(C) 0
(D) straight angle.
Solution
(4) When we see at a higher level , from the horizontal line,angle formed is……. .
(A) angle of elevation. (B) angle of depression.
(C) 0 (D) straight angle.
(A) angle of elevation.
Explanation:-
When we look at an object from a higher level, the angle formed between the horizontal line and our line of sight is called the angle of depression.
An angle of depression is measured from the horizontal line downwards to the object being observed. It is used to measure the angle between the line of sight and a line parallel to the ground.
On the other hand, an angle of elevation is measured from the horizontal line upwards to the object being observed. It is used to measure the angle between the line of sight and a line perpendicular to the ground.
Therefore, when we see an object from a higher level, the angle formed is the angle of depression. Hence, option (B) “angle of depression” is the correct answer.
Chapter 6 – Trigonometry – Text Book Solution
Problem Set 6 |Q 1.4| P 138
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