Both teams now had to agree that their brownies were the same size. By dissecting one and rearranging it to form the other, Gina showed that the two brownies occupied the same total area. Dissections ...

“Geometry has completely changed how I view the world around me and has led me to reexamine all the geometric facts and theorems I had just assumed to be true in high school,” said Sarah Clarke ’23.

Kenneth Leisenring, Area in Non-Euclidean Geometry, The American Mathematical Monthly, Vol. 58, No. 5 (May, 1951), pp. 315-322 ...