Arc Length of a Logarithmic Spiral
Initializing live version

Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
The arc length of the logarithmic spiral for
running from
to
equals the length of the tangent
.
Contributed by: Izidor Hafner (January 2013)
Open content licensed under CC BY-NC-SA
Snapshots
Details
Reference
[1] D. Wells, The Penguin Dictionary of Curious and Interesting Geometry, New York: Penguin Books, 1991 pp. 67–68.
Permanent Citation