Answer:
David is 235.85 meters away from starting point.
Explanation:
To get the distance David is from starting point, we will apply the Pythagoras theorem.
Let the distance he is away from starting point be x.

=>

=>

x =

= 235.85 meters
Therefore, David is 235.85 meters away from starting point.
Note: If you need to round this to nearest whole number, it will be 236 meters.