Mathematics please help...​

the answer is B

Step-by-step explanation:

area of the minor arc is teter all over 360 times 2 pie r square.

that is

= but because the question said for length AB, youvhave to use only one radius.

You the use 40 to cancel 160 and 360 to get 4 all over 9 times 2 pie times 9.

You then cancel 9 with 9 to get 4 times 2 times pie

this is equal to

-14 is the answer

hope this : ))