The answer to this problem is 9/64.
Answer: Answer D
Step-by-step explanation: Terry descended 110 feet in the air so where was he before he descended? -110 feet 110 feet away from the cave so reverse that and hes 110 feet away :) hope this helps and is right.
Parameterize the circular part of
(call it
) by


wih
, and the linear part (call it
) by


with
.
Then




I think it's 9
Hope this helps!