Question

please answer my question
please answer me step by step​

Answer 1

Answer:

9 m

Explanation:

Let the distance of the foot of the ladder from the wall be x.

Applying Pythagoras theorem,

x² + 12² m² = 15² m²

=>x² = (225 - 144) m² = 81 m²

=> x = 9 m

Answer 2

Answer:

3m i think

Explanation:

it is because 15-12 =3