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Non-Euclidean geometry (Math Dictionary)

Non-Euclidean geometry: geometry based on a curved plane, whether elliptic (spherical) or hyperbolic (saddle-shaped), in which there are no parallel lines and the angles of a triangle do not sum to 180°

👇​ ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖


👇​ ស្វែងរកពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖

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