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Deep tillage or deep ploughing: Central Research Institute for Dryland Agriculture (CRIDA), Hyderabad classified ploughing according to depth as under: Depth Categories 5-6 cm Shallow ploughing 15-20 cm Medium deep ploughing 25-30 cm Deep ploughing
The length of the shadow of a vertical tower increases by 8 m on horizontal ground when the height of the sun changes from 45° to 30 ° , then find the...
A man 2 m tall is 25 m away from a tower 27 m high. Determine the angle of elevation of the top of the tower from the eye of the observer.
A man whose height is 1.5 metres is standing 24√3 metres away from a light pole. The angle of elevation from his head to the top of the light pole...
The distance between two parallel poles is 65√3m. The angle of depression of the top of the second pole when seen from the top of first pole is 30...
The angle of elevation of the top of a building from a point on the ground is 30° and moving 40 meters towards the building it becomes 60°. The height...
The shadow of a pole on ground level is increased by 24 m when the angle of depression of the sun changes from 60° to 30°. What is the height of the p...
There are two houses of the same height on both sides of a 15-meter wide road. From a point on the road, elevation angles of the houses are 30° and 60�...
From a point situated at some distance from the base of a pillar, the angle of elevation of the top of the pillar is found to be 45 degrees. After walki...
A boat is being rowed away from a cliff 240 m high. From the top of the cliff, the angle of depression of the boat changes from 60° to 45° in 3 ...
Find the angle of elevation of a 125 √ 3m tower's top from a point 125 m away from its base.