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Class 10 Maths MCQs for Applications of Trigonometry

Welcome to your Class 10 Maths MCQs for Applications of Trigonometry

1. 
If the length of the shadow of a tree is decreasing then the angle of elevation is:
2. 
If the height of a tower and the distance of the point of observation from its foot,both, are increased by 10%, then the angle of elevation of its top
3. 
The angle of elevation of the top of a building from a point on the ground, which is 30 m away from the foot of the building, is 30°. The height of the building is:
4. 
If the length of the shadow of a tower is increasing, then the angle of elevation of the sun
5. 
The angle of elevation of the top of a building 30 m high from the foot of another building in the same plane is 60°, and also the angle of elevation of the top of the second tower from the foot of the first tower is 30°, then the distance between the two buildings is:
6. 
A ladder 15 metres long just reaches the top of a vertical wall. If the ladder makes an angle of 60° with the wall, then the height of the wall will be
7. 
The angle formed by the line of sight with the horizontal when the point is below the horizontal level is called:
8. 
If a tower 6m high casts a shadow of 2√3 m long on the ground, then the sun’s elevation is
9. 
The angle formed by the line of sight with the horizontal when the point being viewed is above the horizontal level is called:
10. 
An observer 1.5 metres tall is 20.5 metres away from a tower 22 metres high.Determine the angle of elevation of the top of the tower from the eye of the observer.
11. 
The angles of elevation of the top of a tower from two points distant s and t from its foot are complementary. Then the height of the tower is:
12. 
The height or length of an object or the distance between two distant objects can be determined with the help of:
13. 
The shadow of a tower standing on a level plane is found to be 50 m longer when Sun’s elevation is 30° than when it is 60°. Then the height of tower is:
14. 
If a man standing on a platform 3 metres above the surface of a lake observes a cloud and its reflection in the lake, then the angle of elevation of the cloud is
15. 
From a point on the ground, which is 15 m away from the foot of the tower, the angle of elevation of the top of the tower is found to be 60°. The height of the tower standing straight is:

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