Question #12632

What is the area of the sector, whose diameter is 40 mm and angle is 120 Degree?

A.
418.66 mm<sup>2</sup>
B.
400.50 mm<sup>2</sup>
C.
415.5 mm<sup>2</sup>
D.
416.6 mm<sup>2</sup>
Explanation

No explanation provided.