Answer:
13 and 1/3 (13.3333)
Step-by-step explanation:
it is 1/3 of the circle area in total. The inside peice will be 3 cm ^2 and the whole section will be 16.3333 cm^2 and once you subtract the 3 from the un blue section you get 13 and 1/3 for your final answer.
