Erlebnisland Mathematik | Technische Sammlungen Dresden | Junghanstraße 1-3 | 01277 Dresden
Erlebnisland Mathematik

Ellipse Mountains

A planar cut through a cone, skew to its central axis, will yield an ellipse as the figure of cross-section. It is not intuitive that such an intersection should be symmetric, but indeed: the two parts fit together perfectly when rotated by 180 degrees.

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_IGP1010