Question

A 15 m long ladder reached a window 12 m high from the ground on

placing it against a wall at a distance a . Find the distance of the foot of

the ladder from the wall. class 7th ncert math​

Answer 1

Answer:

as what a body your pro file is must

Answer 2

Answer:

9 m

Step-by-step explanation:

length of the ladder =15 m

wall = 12 m high from he ground

15² = 12²- B²

(*B = distance of the foot of the ladder from the wall)

B²= 15²-12²

B²= 225-144

B²= 81

B = √81

B = 9 m