Question

how far from the base pf a 24 unit wall should a 26-unit ladder be leaning so that it reaches the top most part of the wall

Answer 1

By Pythagorean Theorem $a^2+b^2=c^2$

Here $a=24,b=??, c=26$

$24^2+b^2=26^2$

$b^2=26^2-24^2$ =100

$b=\sqrt{100}=10$ unit