A tower subtends an angle of 30o at a...

A tower subtends an angle of `30o` at a point on the same level as its foot. At a second point `h` metres above the first, the depression of the foot of the tower is `60o` . The height of the tower is `h/2m` (b) `sqrt(3)h\ m` (c) `h/3m` (d) `h/(sqrt(3))m`

Topper's Solved these Questions

REAL NUMBERS
RD SHARMA|Exercise All Questions|180 Videos
STATISTICS
RD SHARMA|Exercise All Questions|230 Videos

Similar Questions

Explore conceptually related problems

A tower subtends an angle of 30^(@) at a point on the same level as its foot.At a second point h metres above the first,the depression of the foot of the tower is 60^(@). The height of the tower is:

A tower subtends an angle of 30^@ at a point on the same level as the foot of the tower. At a second point h meter above the first, the depression of the foot of the tower is 60^@ . The horizontal distance of the tower from the point is

A tower subtends an angle 75^(@) at a point on the same level as the foot of the tower and at another point, 10 meters above the first, the angle of depression of the foot of the tower is 15^(@) . The height of the tower is (in meters)

A tower subtends an angle of 30^(@) at a point on the same level as the foot of the tower.At a second point,h metre above first,point the depression of the foot of the tower is 60^(@), the horizontal distance of the tower from the points is

A tower subtends an angle of 60^(@) at a point on the same level as the foot of the tower and at a second point just 10 meters above the first point the angle of depression of the foot of the tower is 15^(@) . The height of the tower is (in meters)

A tower subtends an angle of 60^(@) at a point on the plane passing through its foot and at a point 20 m vertically above the first point, the angle of depression of the foot of tower is 45^(@) . Find the height of the tower.

At a point 20 m away from the foot of a tower, the angle of elevation of the top of the tower is 30^@ The height of the tower is

From a point 20 m away from the foot of a tower, the angle of elevation of the top of the tower is 30^(@) . The height of the tower is

RD SHARMA-SOME APPLICATIONS OF TRIGONOMETRY-All Questions

If the angles of elevation of the top of a tower from two points at...
Text Solution
|
In Fig. 12.58, what are the angles of depression from the observing...
Text Solution
|
The tops of two towers of height x and y , standing on level gro...
Text Solution
|
The angle of elevation of the top of a tower at a point on the grou...
Text Solution
|
The ratio of the length of a rod and its shadow is 1\ :sqrt(3) . The...
Text Solution
|
If the angle of elevation of a tower from a distance of 100 metres ...
Text Solution
|
If the altitude of the sum is at 60o , then the height of the ve...
Text Solution
|
If the angles of elevation of a tower from two points distant a and...
Text Solution
|
If the angles of elevation of a tower from two points distant a and...
Text Solution
|
The tops of two poles of height 20 m and 14 m are connected by a wi...
Text Solution
|
From the top of a cliff 25 m high the angle of elevation of a tower...
Text Solution
|
The angles of depression of two ships from the top of a light house...
Text Solution
|
If the angle of elevation of a cloud from a point 200 m above a lak...
Text Solution
|
The height of a tower is 100 m. When the angle of elevation of the ...
Text Solution
|
Two persons are a metres apart and the height of one is double that...
Text Solution
|
A tower subtends an angle of 30o at a point on the same level as...
Text Solution
|
It is found that on walking x metres towards a chimney in a hori...
Text Solution
|
The length of the shadow of a tower standing on level ground is fou...
Text Solution
|
The tops of two poles of height 16 m and 10 m are connected by a wi...
Text Solution
|
If a 1.5 m tall girl stands at a distance of 3 m from a lamp-post and...
Text Solution
|