Answer:
It falls between √7 and √8
Step-by-step explanation:
Please kindly check the attached file for explanation.

The given triangles are congruent by :
because they have Two Angles and a side between them equal to the corresponding Angles and side of the another triangle.
Answer:
The boy's feet are closer to the surface of the pool because negative 4 over 5 < negative 2 over 5.