Q2 of 28 Page 93

From a distance of 100 m from the foot point of a tower the angle of elevation of its top is 60°. Then height of the tower is


Let AB is a Tower, AC is the distance from A to point C, and angle of elevation of the Tower from point C is ∠ACB = 60o. AB = h.


We know that,



h = 100√3

More from this chapter

All 28 →
1

The shadow of a vertical pillar is equal to the height of the pillar, then the angle of elevation of the Sun will be

 3

A ladder 15 m long reaches the top of a vertical wall. If this ladder makes an angle of 60° with the wall, then height of the wall is

 4

From the top of a 100 m high tower the angle of depression of a point on the earth is 30°. The distance of the point from the base of the tower is

 5

A bridge over a river makes an angle of 45° with the bank of the river. If the length of the bridge over the river is 150 m then the width of the river will be