# Ellipse

## Description

Illustration of an ellipse with major and minor axes, foci, and points on the ellipse. "An ellipse is a plane figure bounded by a curved line, to any point of which the sum of the distances from two fixed points within, called the foci, is equal to the sum of the distances from the foci to any other point on the curve."

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## Source:

International Correspondence Schools *I.C.S. Reference Library Mathematics* (Scranton: International Textbook Company, 1905) Geometry & Trigonometry Pg. 56