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Suggests simple exercises that demonstrate the characteristics of ellipses and gives examples of some of the many ellipses found in nature.
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Editions
2 editions- Other · English · 1971EllipseHarperCollins Publishers · 9780690011203
- Other · English · 1971Crowell · 33 pages · 9780690258561
Juvenile literatureEllipseGeometryGeometry, juvenile literature