CBSE Class 10 Mathematics Applications Of Trigonometry Worksheet Set R

CBSE Class 10 Applications of Trigonometry (9)

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Some Applications of Trigonometry

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1.The angle of elevation of the top of building from the foot of tower is 45° and the angle of elevation of

the top of the tower from the foot of the building is 60°. If the tower is 50 m high find the height of

building ?

(A) 40 m

(B) 50m

(C) 60m

(D)

2.A tower stands vertically on the ground from a point on the ground which is 15 m away from the foot

of tower if the height of tower is meters find the angle of elevation.

(A) 60°

(B) 30°

(C) 90°

(D) 120°

3.A kite is flying in sky if the string attached is of length and is tied to ground making 60°. Then

what is the height?

(A) 50 metre

(B) 40 metre

(C) 60 metre

(D) 120 metre

4.A kite is flying at a height of 60m above the ground. The string attached to kite is tied to a point. The

inclination of string with the ground is 30°. Find length of the string. Assuming there is no slack in the

string.

(A) 30 metre

(B) 60 metre

(C) 90 metre

(D) 120 metre

5.A person is climbing a 20 m long ladder which is inclined at 30° from ground and touches top of minar.

Find the height of minar.

(A)

(B)

(C) 10 m

(D) 15 m

6.The angle of elevation of the top of a tower form a point on the ground which is 60 m away from the

foot of tower is 30°. Find the height of tower.

(A)

(B) 30 m

(C)

(D)

7.A live drawn from the eye of an observer to the point in the object viewed by the observer is called:

(A) Line of inclination

(B) Horizontal line

(C) Line of sight

(D) Vertical line

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