The area of sector of a circle whose radius is 10 metro and whose angle at the center is 42Â° is?	Options.
A) 36.7 B) 52.9 C) 52.8 D) 52.1 E) 52.2

Rationale: "42 / 360 * 22 / 7 * 10 * 10 = 36.7 m 2 answer : a"
Answer: A