| 1. | It is possible to tessellate in non-Euclidean geometries such as hyperbolic geometry.
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| 2. | This article is about triangles in Euclidean geometry except where otherwise noted.
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| 3. | Muslim mathematicians introduced Euclidean Geometry, Spherical trigonometry and Arabic numerals in China.
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| 4. | Non-Euclidean geometry stimulated the development of differential geometry which has many applications.
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| 5. | This is analogous to the relationship between Euclidean geometry and non-Euclidean geometry.
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| 6. | As well as group theory, he is also interested in Euclidean geometry.
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| 7. | The non-Euclidean geometry that Lobachevsky developed is referred to as hyperbolic geometry.
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| 8. | The steps of this theorem require nothing beyond basic constructive Euclidean geometry.
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| 9. | A great deal of Euclidean geometry carries over directly to elliptic geometry.
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| 10. | The very nature of Euclidean geometry seems to change with such software.
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