Answer:
11.69 ft
Step-by-step explanation:
a) No, he is incorrect.
Angle of depression is always formed between line of vision and horizontal line.
Measure of angle of depression will be = 90° - 33°
= 57°
b)
Horizontal distance between the ant and the bottom of the tree
[tex] = 18 \: \tan 33 \degree \\ \\ = 11.689336678 \: ft \\ \\ \approx 11.69 \: ft[/tex]
