Question

a ladder 17 m long reaches a window of a building 15 m above the ground what is the distance of the foot of the ladder from the wall

Answer 1

[text] red/[text]. b

Answer 2

ans
$\sqrt{ {17}^{2} - {15}^{2} } \\ \sqrt{64 } \\ 8$
$\sqrt{289} - \sqrt{225}$