A ladder of length 14 m just reaches the...

A ladder of length 14 m just reaches the top of a wall. If the ladder an angle of `60^(@)` with the horizontal, then the height of the wall is ____.

`14sqrt(3)` m

`28sqrt(3)` m

`7sqrt(3)` m

`35sqrt(3)` m

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NUMBER AND SEQUENCES
SURA PUBLICATION|Exercise Unit test|12 Videos
RELATIONS AND FUNCTIONS
SURA PUBLICATION|Exercise Unit Test|14 Videos

Similar Questions

Explore conceptually related problems

The tops of two poles of height 20 m and 14 m are connected by a wire. If the wire makes an angle of 30o with horizontal, then the length of the wire is (a) 12 m (b) 10 m (c) 8 m (d) 6 m

A storm broke a tree and the treetop rested 20 m from the base of the tree, making an angle of 60^@ with the horizontal. Find the height of the tree.

If a circle with 10 m radius and angle 60^(@) at centre, thenwhat will be the length of arc?

A boy is at a distance of 60 m from a tree, makes an angle of elevation of 60^@ with the top of the tree. What is the height of the tree?

A 2 m ladder leans against a vertical wall. If the top of the ladder begins to slide down the wall at the rate 25 cm/s, then the rate (in cm/s) at which the bottom of the ladder slides away from the wall on the horizontal ground when the top of the ladder is 1 m above the ground is

An electrician wants to repair an electric connection on a pole of height 9 m. He needs to reach 1.8 m below the top of the pole to do repair work. What should be the length of the ladder which he should use, when he climbs it at an angle of 60^(@) with the ground? What will be the distance between foot of the ladder and foot of the pole?

A ball is thrown at a speed of 40 m/s at an angle of 60^0 with the horizontal. Find a. the maximum height reached and b. the range of te ball. Take g=10 m/s^2 .

The top of a 15m high tower make an angle of elevation of 60^(@) with the bottom of an electronic pole and angle of elevation of 30^(@) with the top of the pole. What is the height of the electric pole?

SURA PUBLICATION-ONE MARK QUESTIONS SET -Multiple Choice Question

The slope of the straight line 2y=x+8 is .
Text Solution
|
Find the value of 'a' if the line 7y=ax+4 and 2y=3-x are parallel.
Text Solution
|
If tan theta+cot theta=3, then tan^(2) theta+cot^(2) theta=.
Text Solution
|
If x=a sec theta and y=b tan theta then b^(2)x^(2)-a^(2)y^(2)=.
Text Solution
|
The angle of elevation of the top of tree from a point at a distance o...
Text Solution
|
The angle of depression of a boast from 50sqrt(3) high bridge is 30^(@...
Text Solution
|
A ladder of length 14 m just reaches the top of a wall. If the ladder ...
Text Solution
|
The ratio of the volumes of two sphere is 8:27. If r and R are the rad...
Text Solution
|
The material of a cone is covered into the shape of a cylinder of equa...
Text Solution
|
A solid frustum is of height 8 cm. If the radii of its lower and upper...
Text Solution
|
When Karuna divided surface area of the sphere by the sphere's volume,...
Text Solution
|
If the co-efficient of variation and S.D of a data are 35% and 7.7 res...
Text Solution
|
A letter is chosen at random from the letter of the word "PROBABILITY"...
Text Solution
|
When three coins are tossed, the probability of getting the same face ...
Text Solution
|
The range of first 10 prime numbers is .
Text Solution
|
If the data is multiplied by 4, then the corresponding variance is get...
Text Solution
|
If an event occurs surely, then its probability is .
Text Solution
|
The probability of an impossible event is .
Text Solution
|
If the sm of 10 data values is 265 then their mean is .
Text Solution
|
If a letter is chosen at random from the English alphabets {a, b,.., z...
Text Solution
|