Sophie, the cat, is sitting at the top of a tree that is 15 ft tall watching a dog that is 32 ft away from the base of the tree. what is the angle of depression? round to the nearest hundredth.

See the attached figure to better understand the problem

in the triangle ABC
we know that
∅=angle of depression
tan ∅=15/32
∅=arc tan (15/32)-------> ∅=25.11°

the answer is
The angle of depression is 25.11°

Hello!
volume of sphere =4/3.pi.r^3