The area of sector of a circle whose radius is 12 metro and whose angle at the center is 42° is?
Answers:
A) 56.8 m2  B) 82.9 m2  C) 52.8 m2  D) 17.9 m2  E) 72.9 m2
42/360 * 22/7 * 12 * 12= 
<gadget id="calculator">42/360 * 22/7 * 12 * 12</gadget>
<output>264/5 = around 52.8</output>
52.8 m2   Answer:52.8 m2
<result>C</result>
The area of sector of a circle whose radius is 12 metro and whose angle at the center is 42° is?