what is the area of a circle

Answer 1

3.14

Answer 2

Google can be your best friend ...

http://www.google.ca/#hl=en&source=hp&q=area+of+a+circle+&btnG=Google+Search&meta=&aq=f&oq=area+of+a+circle+&fp=fdb7627fc4f0229c

Answer 3

Pie r squared