Question

119
3. A 15 m long ladder rea
m long ladder reached a window 12 m high
le ground on placing it against a wall at a
distance a. Find the distance of the foot of the
ladder from the wall.​

Answer 1

Answer:

draw a neat diagram of ladder.apply phythogras theorem:

$h {}^{2} = p {}^{2} + b {}^{2}$