Theoretically seen dividing an apple (melon, potato, etc.) equally is not an easy task. For instance, with a normal knife (straight cuts) one has to hit the center so that the cut is a great circle. But there are alternatives which have strong connections to the “pizza theorem” and Cavalieri’s Principle. The established theorem could be called “apple theorem”.
"Dividing an Apple into Equal Parts – An Easy Job?,"
The Mathematics Enthusiast: Vol. 15
, Article 6.
Available at: https://scholarworks.umt.edu/tme/vol15/iss3/6