Correct option is C
Given
Height of the helicopter (Perpendicular) = 575 m
Angle of elevation °
Formula Used
= Perpendicular / Base
Solution
Base = 994.75 m
Final Answer
So the correct answer is (c)
Question
A helicopter is flying at a height of 575 m. A person on the ground sees it at an angle of elevation of 30°. What is the horizontal distance from the person to the point on the ground exactly below the helicopter?
(Take √3=1.73)
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- 1)
From a point 30 m away from the base of a tree, the angle of elevation of the top of the tree is 60°. Find the height of the tree (take √3 = 1.73).
- 2)
From a point 40 m away from the foot of a tower, the angle of elevation of the top of the tower is 45°. Find the height of the tower.
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A helicopter is flying at a height of 575 m. A person on the ground sees it at an angle of elevation of 30°. What is the horizontal distance from the person to the point on the ground exactly below the helicopter?
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A person stands 36 metres away from the foot of a tower. The angle of elevation to the top of the tower is θ, and tanθ = 5/3. What is the height (in metres) of the tower?
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A boy flying a kite holds the string of length 24.4 m such that it makes an angle of 30° with the ground. Find the height of the kite from the ground.
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A ladder makes an angle of 60° with the ground and its bottom is 3.7 m away from the wall. Find its length.
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Aditya is standing on a light house of 150 m height and watching two boats on either side with angles of depression of 30o and 60o, respectively. Find the distance between the two boats.
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A flagstaff stands on the top of a building. At a distance of 30 m away from the foot of the building, the angle of elevation of the top of the flagstaff is 60° and the angle of elevation of the top of the building is 30°. Find the height (in metres) of the flagstaff.
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The angles of elevation of the top of a tower from two points X and Y (on opposite sides of the tower) at distances b2 m and a2 m, respectively, from the base and in the same straight line with it are complementary. The height (in m) of the tower is ________.
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Similar Questions
- 1)
From a point 30 m away from the base of a tree, the angle of elevation of the top of the tree is 60°. Find the height of the tree (take √3 = 1.73).
- 2)
From a point 40 m away from the foot of a tower, the angle of elevation of the top of the tower is 45°. Find the height of the tower.
- 3)
A building casts a shadow of length 46 m, when the angle of elevation of the sun is Find the height of the building. (Use √3 = 1.7)
- 4)
A helicopter is flying at a height of 575 m. A person on the ground sees it at an angle of elevation of 30°. What is the horizontal distance from the person to the point on the ground exactly below the helicopter?
(Take √3=1.73) - 5)
A person stands 36 metres away from the foot of a tower. The angle of elevation to the top of the tower is θ, and tanθ = 5/3. What is the height (in metres) of the tower?
- 6)
A boy flying a kite holds the string of length 24.4 m such that it makes an angle of 30° with the ground. Find the height of the kite from the ground.
- 7)
A ladder makes an angle of 60° with the ground and its bottom is 3.7 m away from the wall. Find its length.
- 8)
Aditya is standing on a light house of 150 m height and watching two boats on either side with angles of depression of 30o and 60o, respectively. Find the distance between the two boats.
- 9)
A flagstaff stands on the top of a building. At a distance of 30 m away from the foot of the building, the angle of elevation of the top of the flagstaff is 60° and the angle of elevation of the top of the building is 30°. Find the height (in metres) of the flagstaff.
- 10)
The angles of elevation of the top of a tower from two points X and Y (on opposite sides of the tower) at distances b2 m and a2 m, respectively, from the base and in the same straight line with it are complementary. The height (in m) of the tower is ________.
