Question

A 25m ladder is placed on a wall such that its foot is placed 7m away from the wall. Find the length of the wall

Answer 1

Answer:

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Step-by-step explanation:

Given : 25m long ladder is placed against a vertical wall such that the foot of the ladder is 7m from the feet of wall. if the top of the ladder slides down by 4m.

To find : How much distance will the foot of the ladder slide?

Solution :

According to question,

It form a right angled triangle,

Where, Base=7

Hypotenuse =25

Applying Pythagoras theorem,

So, vertical height will be

Now vertical height reduces to 24-4 =20 as the ladder slips.

Hypotenuse is same  25 , P=20

New base is

So, the foot of ladder slides from 7m to 15 m from the wall and the magnitude if slide is 8m.

Answer 2

Answer:

Step-by-step explanation:

The foot of ladder slides from 7m to 15 m from the wall and the magnitude if slide is 8m.

Step-by-step explanation:

Given : 25m long ladder is placed against a vertical wall such that the foot of the ladder is 7m from the feet of wall. if the top of the ladder slides down by 4m.

To find : How much distance will the foot of the ladder slide?

Solution :

According to question,

It form a right angled triangle,

Where, Base=7

Hypotenuse =25

Applying Pythagoras theorem,

So, vertical height will be

Now vertical height reduces to 24-4 =20 as the ladder slips.

Hypotenuse is same  25 , P=20

New base is

So, the foot of ladder slides from 7m to 15 m from the wall and the magnitude if slide is 8m.