You are here

Euler's Theorem for Generalized Quadrilaterals

by Geoffrey A. Kandall

This article originally appeared in:
College Mathematics Journal
November, 2002

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

The sum of squares of the sides of quadrilateral is equal to the sum of the squares of the diagonals plus 4 times the square of the segment joining the midpoints of the diagonals.

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.

To open this file please click here.

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.

Average: 2.8 (22 votes)