Squares on the Sides of a Quadrilateral

Initializing live version
Download to Desktop

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.

The line segments joining the centers of the squares on opposite sides of a quadrilateral are orthogonal and have the same length.

Contributed by: Tomas Garza (January 2020)
Open content licensed under CC BY-NC-SA



The proof of this theorem uses complex numbers [1].


[1] T. Needham, Visual Complex Analysis, New York: Oxford University Press, 1997, p. 16.

Feedback (field required)
Email (field required) Name
Occupation Organization
Note: Your message & contact information may be shared with the author of any specific Demonstration for which you give feedback.