Question

Q. A 25m long ladder is placed against the wall in such a way that the foot of the ladder is 7m away from the wall. How up on the wall is the upper end of the ladder?​

Answer 1

Answer:

The ladder touches the wall at 24 m above from the floor

Step-by-step explanation:

The wall and the Base floor makes the angle 90°

So the ladder , base and the floor makes the right angled triangle

We know

hyp = 25cm

Base = 7 cm

To find:

the height where the ladder touches the wall

Solution:

By Pythagoras theorem

A² + B² = C²

A = 7 m

B = 'x' m

C = 25m

now,

(7)² + B² = 25²

B = √625 - 49

B = √576 m

B = 24 m

The ladder touches the wall at 24 m above from the floor

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