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The angle of elevation of the top of a building from the foot of the tower is 30 ∘ 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 the building.
The angle of elevation of a jet plane from a point A on the ground is 60 ∘. After a flight of 15 second, the angle of elevation changes to 30 ∘. If the jet plane is flying at a constant height of 1500 √ 2 m.Find the speed of the jet plane.
Click here👆to get an answer to your question ️ if the angle of elevation of a tower from a distance of 100 metres from
The angle of elevation of a cloud from point h meters above the surface of a lake is b and angle of depression of its angle in lake is a.Prove that the height of the cloud above the lake is = h (t a n α + t a n β) t a n β − t a n α
If the angle of elevation of a cloud from a point h metres above a lake be θ and the angle of depression of its reflection in the lake be ϕ, prove that the distance of the cloud from the point of observation is 2 h cos ϕ sin (ϕ − θ) Also find the horizontal distance of the cloud from the place of observation.
The angle of elevation of an aeroplane from point A on the ground is 60 o. After flight of 15 seconds, the angle of elevation changes to 30 o. If the aeroplane is flying at a constant height of 1500 √ 3 m, find the speed of the plane in km/hr.
The angle of elevation θ of the top of a light-house as seen by a person on the ground is such that tan θ = 5 12. When the person moves a distance 240 m towards the light-house, the angle of elevation become ϕ such that tan ϕ = 3 4, Find the height of the light house. 225 m; 265 m; 286 m; 298 m
The angle of elevation of the top Q of a vertical tower PQ from a point X on the ground is 60 ∘. From a point Y, 40 m vertically above X, the angle of elevation of the top Q of tower is 45 ∘. Find the height of the tower PQ and the distance PX. (Use √ 3 = 1.73)
Nov 19, 2017 · Answer for The angle of elevation Φ of the top of a lighthouse as seen by a person on the ground is such that tanΦ = 5/12. When the person moves a distance of 240m towards the lighthouse, the angle of elevation becomes Φ, such that tanΦ=3/4. Find the height of the lighthouse. - 1kxrlc33
The angle of elevation of the top of a tower from a certain point is 30 0 If the observer moves 20m towards the tower the angle of elevation of the top of the tower ...
