4 ms·

Area of a circle is Pizza Given a radius of z: Pi•z•z=a

• jbverschoor 5y ago
  Gold
• hawk_ 5y ago
  brilliant! source? or did you just make it up?
  • leetrout 5y ago
    No — I think I read it on here some while back. So simple and easy to remember; I love it and love repeating it!