15 points. what is the area of the circle segment/shaded area? picture included . answer in a way that will fill in the blanks, explanation preferred.

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9