Two walls and a ceiling of a room meet
at right angles at a point p. a fly is in
the air 1 m from one wall, 8 m from
the other wall and 9 m from the point
p. how many meters is the fly from the
ceiling?

The position of the fly is shown as cross in the diagram below

The distance of the fly from the ceiling is given as  

We need to work out the distance  to be able to work out the value of 

by the Pythagoras theorem





by Pythagoras theorem




The distance of the fly from the point P is 4m

You have to find the angle i don’t know if i i try