MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Average Rate of Change

A ladder is r...

Question

A ladder is resting with one end in contact with the top of a wall of height $12$ metres and the other end on the ground is at a distance of $5$ metres from the wall.
The length of the ladder is(in m) .......

Open in App

Solution

${A B}^{2} = {A C}^{2} + {B C}^{2}$
$= 5^{2} + 12^{2}$
$= 169$
$∴$ $A B = 13 m$

Suggest Corrections

thumbs-up

0

Similar questions

Q. A ladder is resting with one end in contact with the top of a wall of height 12 m and the other end on the ground is at a distance 5 m from the wall. The length of the ladder is _____.

Q. A ladder 13 m long rests against a vertical wall. If the foot of the ladder is 5 m from the foot of the wall, find the distance(in m) of the other end of the ladder from the ground.

10

metres long rests with one end against a vertical wall, the other end on the floor. The lower end moves away from the wall at the rate of

2

metres/minute. The rate at which the upper end falls when its base is

6

metres away from the wall is.

Q. The foot of the ladder leaning against a wall of length 5 metre rest on a level ground

5 \sqrt{3}

metre from the base of the wall. The angle of inclination of the ladder with the ground is:

10 m e t r e s

long rests with one end against a vertical wall, the other on the floor. The lower end moves away from the wall at the rate of

2 m e t r e s / m i n u t e

. The rate at which the upper end falls when its base is

6 m e t r e s

away from the wall

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Rate of Change

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Average Rate of Change

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon