elevation and depression

Is the angle of elevation numerically equal to the angle of depression? => Yes or No..

The angle of elevation or angle of depression of an object is the angle formed by the line joining eye to the object and _________. => any line or vertical line or horizontal line or None of the above..

From the top of a building of height h meters in a street, the angles of elevation and depression of the top and the foot of another building on the opposite side of the street are θ ° and φ ° respectively. Find the height of the opposite building. [Given h = 7..

A man on the deck of a ship is 23 ft above water level. He observes that the angle of elevation of the top of a cliff is 50° and the angle of depression of the base is 30°. Find the distance of the cliff from the ship and the height of the cliff if the base of the cliff ..

A man on the deck of a ship is 13 ft above water level. He observes that the angle of elevation of the top of a cliff is 40° and the angle of depression of the base is 20°. Find the distance of the cliff from the ship and the height of the cliff if the base of the cliff ..

A pole 20 m high is fixed on the top of a tower. The angle of elevation of the top of the pole as observed from a point P on the ground is 65°. The angle of depression of the point P from the top of the tower is 60°. What is the height of the tower? => 161 m or 74 m or 1..

Antidepressants are useful for patients who are highly depressed or have lost self-confidence. These drugs produce a feeling of well-being and improve efficiency. Tofranil, vitalin, amphetamines and cocaine are some example..

(i) Angle of elevation, and (ii) Angle of depression..

The angle of an object at which it is seen, when the object is above the level of the eye, is called ________________. => Angle of elevation or Angle of depression or Both A and B or None of the above..

What is BAC in the figure? => Angle of elevation or Angle of depression or Angle of reflection or None of the above..