Question

If a 10m ladder stands 1.25m from a wall, what is it's reach?

Answer 1

1.25^2 + b^2 = 10^2

1.5625 + b^2 = 100

b^2 = 98.4375

b = ?

Answer 2

the ladder will 9.9m on the wall

Answer 3

10 meters - 1,25 = 8,75