Question

A 15m long ladder reached a window 12m high from the ground placing it against a wall at a distance a. find the distance pf the foot of the ladder from the wall​

Answer 1

Answer:

9m

Step-by-step explanation:

15×15+12×12

225+144

=81

=9m

Answer 2

Answer:

Step-by-step explanation:

Let 15m be hypotenuse of a triangle

Let 12m be height of a triangle

There is formula that hypo-height and squaring that will give answer

So 15-12=3m

3^2=9m answer