HARD
10th CBSE
IMPORTANT
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In the figure given below,PQU is a right triangle withPQU = 90° . ST is parallel to RQ, PS = RQ and ST = RU

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What is the length of SR?

 

Important Questions on Some Applications of Trigonometry

HARD
10th CBSE
IMPORTANT

 A triangle is drawn inside a square of side length 6 cm as shown in figure given below. 

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What is the area of the shaded region ?

MEDIUM
10th CBSE
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A 9 m high street-light pole is broken during a storm. The top end of the pole touches the ground at 30°. At what height did the pole break?

HARD
10th CBSE
IMPORTANT

Two persons are watching a game in a stadium. The distance between them is 1.5 m

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What is the distance of the second person from the player?

HARD
10th CBSE
IMPORTANT
Seaweed is found under an 80 m deep seafloor. To reach it a diver makes a 45° dive from a boat.By the time the diver collected seaweed, the boat shifted 20 m on the opposite side. The diver now has to rise at an angle of 60° to reach the boat.
What is the distance the diver travels to reach the boat?
EASY
10th CBSE
IMPORTANT
Seaweed is found under an 80 m deep seafloor. To reach it a diver makes a 45° dive from a boat. What is the distance travelled by the diver to reach the seafloor?
EASY
10th CBSE
IMPORTANT

At the toll plaza, a traffic monitoring camera is also installed at a height of 6.2 m. It takes pictures of moving vehicles at regular intervals.

The diagram below shows the position of the camera and a car moving away from it after paying the toll in four instances. The speed of the car is 5 m/s.

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The angle made by the camera to the car in instance 1 is 30° and changes to 60° in instance 4.What is the distance moved by the car? (3=1.73)

MEDIUM
10th CBSE
IMPORTANT
If a pole 6 m high casts a shadow 23 m long  on the ground, then the Sun's elevation is
MEDIUM
10th CBSE
IMPORTANT
The tops of the two towers of height x and y, standing on level ground, subtends angle of 30° and 60° respectively at the centre of the line joining their feet, then find x:y.