# Ellipses Inscribed In A Circle

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Illustration of concentric ellipses, whose major axes are vertical, inscribed in a circle whose diameter is equal to the length of the major axes of the ellipses. The ellipses, which decrease in width in equal increments until the smallest one is a line, are externally tangent to the circle. The illustration could be described as a circle rotated about the poles of the vertical axis. It could also be used as a 3-dimensional drawing of a sphere.

### Keywords

sphere, ellipse, oval, ellipses, ovals, circle, circles, reflection, reflect, tangent, symmetry, concentric, inscribed, circumscribed, symmetric, reflective, 3-dimensional drawing, degenerate conic, eccentricity of an ellipse, rotated about poles### Galleries

Ellipses### Source

Florida Center for Instructional Technology *Clipart ETC* (Tampa: University of South Florida, 2007)

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