A man goes to a walking track twice a day in the shape of a sector with an angle of 123° and a radius of 138 m. Find the area covered by the man of the walking track in a day.

A man goes to a walking track twice a day in the shape of a sector wit

1.	A man goes to a walking track twice a day in the shape of a sector with an angle of 123° and a radius of 138 m. Find the area covered by the man of the walking track in a day.
A.	20441.4 m
B.	20882.8 m
C.	40882.8 m
D.	81765.6 m
Answer» D.