Find the area of circle whose radius is 4m? Choose the correct choice from the following options.
A) 50.28  B) 51.54  C) 51.77  D) 52.88  E) 52.98
22/7 * 4 * 4   = 50.28   50.28nswer:50.28
<result>A</result>
Find the area of circle whose radius is 4m?