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> Our "large" pizzas here in Germany have a diameter of 26cm.

IME, That’s about a typical US small pizza (10”; large is typically 14” though I've seen places that use 12”/14”/16” S/M/L.)




12”/14”/16” ~> 30/35/41 cm. Also note that area is proportional to the square of the diameter.


Area of a circle is Pizza

Given a radius of z:

Pi•z•z=a


Gold


brilliant! source? or did you just make it up?


No — I think I read it on here some while back. So simple and easy to remember; I love it and love repeating it!




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