Question

13 metre long ladder reach the ventilator 12 metre height from the ground and placing it against a wall at a distance find the distance of the foot of the ladder from the wall​

Answer 1

Step-by-step explanation:

hypotenus=13m

perpendicular=12m

base=?

we know that,

p^2+b^2=h^2

144+b^2=169

b^2=169-144=25

b=5