Find the area of circle whose radius is 5m?
Choose the most appropriate option:
A) 78.57 B) 81.54 C) 71.77 D) 72.88 E) 72.98
22/7 * 5 * 5   = 78.57   78.57nswer:78.57
<result>A</result>
Find the area of circle whose radius is 5m?