Question

a ladder of 5 metre length is laid against a wall the distance between the foot of the wall and foot of the ladder is 3 metre find the height at which the ladder touches the wall​

Answer 1

Answer:

let height of wall be h

the distance between wall and foot of ladder=3m

height of ladder=5m

Step-by-step explanation:

now

hyp2=side2+side2

5(5)=3(3)+(h)h

25=9+h(h)

$h^{2} =16$

$h=\sqrt{16}$

h=4m