# On Venn Diagrams and the Counting of Regions

by Branko Grunbaum (University of Washington)

College Mathematics Journal
November, 1984

Subject classification(s): Geometry and Topology | Plane Geometry
Applicable Course(s): 4.9 Geometry

Generalization of the fact that $n^2-n+2$ is the maximum number of disjoint regions in the plane that can be formed by $n$ circles using the basic set operations

A pdf copy of the article can be viewed by clicking below. Since the copy is a faithful reproduction of the actual journal pages, the article may not begin at the top of the first page.

These pdf files are furnished by JSTOR.

Classroom Capsules would not be possible without the contribution of JSTOR.

JSTOR provides online access to pdf copies of 512 journals, including all three print journals of the Mathematical Association of America: The American Mathematical Monthly, College Mathematics Journal, and Mathematics Magazine. We are grateful for JSTOR's cooperation in providing the pdf pages that we are using for Classroom Capsules.