Question

The foot of the ladder is 6 m away from a wall and its top reaches is a Window 8 Metre above the ground if the la dder is shifted in such a way that its foot is 8 M away from the wall to what height does its top reach

Answer 1

This question is solely based on Pythagorean theorem.
Follow the steps and ask for any doubts that you might have.
Hope this helps.