Application of Trigonometry Quiz

Q1. If the length of the shadow of a tower is increasing, then the angle of elevation of the sun

Q2. 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:

Q3. If at some time, the length of the shadow of a tower is √3 times its height, then the angle of elevation of the sun, at that time is:

Q4. The shadow of a tower is equal to its height at 10-45 a.m. The sun’s altitude is

Q5. If the altitude of the sun is 60°, the height of a tower which casts a shadow of length 90m is

Q6. The angle of elevation of top of a tower from a point on the ground, which is 30 m away from the foot of the tower is 30°. The length of the tower is

Q7. The _ of an object is the angle formed by the line of sight with the horizontal when the object is below the horizontal level.

Q8. The angle of elevation of the top of a tower is 30°. If the height of the tower is doubled, then the angle of elevation of its top will

Q9. If the height of the building and distance from the building foot’s to a point is increased by 20%, then the angle of elevation on the top of the building:

Q10. A ladder 15 m 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 is: