A popular mathematical pizza joke that has been printed on posters is:
Q: What is the volume of an object with depth a and radius z?
A: Pi*z*z*a.
The joke has been cited in print since at least 1997.
Google Groups: rec.puzzles
pizza + anarchy (spoiler)
NickGard
9/19/97
(...)
Silly ObPuzzle: My local pizza delivery company is called Perfect Pizza. This means that not only do the pizzas taste perfect but they are also perfectly circular and perfectly uniform in depth. They’ve just delivered a pizza with depth a, and radius z. What is its volume?
Twitter
Larry Kyrala
@coldnebo
groan: What’s the volume of a pizza with radius z and depth a?
5:00 PM - 27 Feb 2009
Twitter
mijj
@mijj
a pizza with radius Z and depth A has volume PI*Z*Z*A : ref reddit user Benjaminsen http://is.gd/13uEp
9:51 AM - 16 Jun 2009
Slashdot
Re:4 whole pieces? (Score:5, Informative)
by Beardo the Bearded (321478) on Tuesday December 15, 2009 @02:02PM (#30447278)
(...)
Someone on /. has a sig that said:
A pizza with depth a and radius z has a volume of pi z z a.
Today I Found Out
THE MATHEMATICAL VOLUME OF A PIZZA IS PIZZA
March 12, 2010 Daven Hiskey
Today I found out that the mathematical volume of a pizza is pizza. How does that work you say? Well if z = radius of the pizza and a = the height then Π * radius2 * height = Pi * z * z * a = Pizza.
reddit
If you have a pizza with radius “z” and thickness “a”, its volume is Pi(z*z)a (i.imgur.com)
submitted April 1, 2014 by BuzzBorn
BuzzFeed
The 24 Greatest, Nerdiest Jokes Ever Told
Supercollider? I hardly even know her!
posted on Jun. 16, 2014, at 4:25 p.m.
Tanner Greenring
(...)
6. What is the volume of an object with depth a and radius z?
PI Z Z A
Above, a 1934 plaque from the Big Apple Night Club at West 135th Street and Seventh Avenue in Harlem. Discarded as trash in 2006. Now a Popeyes fast food restaurant on Google Maps.
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Above, Big Apple Corner at 54th Street and Broadway in Manhattan. Google Maps. Stolen and missing, 2021-2024.
Above, John J. Fitz Gerald, from the Aug. 15, 1931, Binghamton (NY) Press, pg. 14.
Listen to Robert Emmerich introduce "The Big Apple," a hit song from 1937. Music written by Bob and performed by Tommy Dorsey's Clambake Seven with Bob on piano. Lyrics written by Buddy Bernier and sung by Edythe Wright. Audio provided by Dorothy Emmerich.
Also listen to a 1937 "The Big Apple" song by Ozzie Nelson and his Orchestra. See a 1929 photo of John J. Fitz Gerald and a 1931 photo of John J. Fitz Gerald.
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