In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[EX Q]: Problem: the side of a square has the length of 6 . what is the area of the region shaded ? 
Options: ['a ) 48 - 8 π', 'b ) 48 - 6 π', 'c ) 24 + 6 π', 'd ) 16 + 8 π', 'e ) 64 - 8 π']
[EX A]: b

[EX Q]: Problem: a rectangular farm has to be fenced one long side , one short side and the diagonal . if the cost of fencing is rs . 15 per meter . the area of farm is 1200 m 2 and the short side is 30 m long . how much would the job cost ? 
Options: ['a ) 1276', 'b ) 1200', 'c ) 2832', 'd ) 1800', 'e ) 1236']
[EX A]: d

[EX Q]: Problem: if the area of a circle is 144 pi square feet , find its circumference . 
Options: ['a ) 65 pi feet', 'b ) 24 pi feet', 'c ) 42 pi feet', 'd ) 18 pi feet', 'e ) 64 pi feet']
[EX A]:
b