# Pi-Like Ratios for Circular Lakes

Requires a Wolfram Notebook System

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

Everybody knows for a circle. But for a circular lake on the Earth, the ratios are not constant. In the case of a lake, let be the length of the shoreline, its area, and the distance along the surface from the center to the shore. Let the radius of the sphere be .

[more]
Contributed by: Roger B. Kirchner (March 2011)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

## Permanent Citation