File:Visual proof tetrahedral number.svg
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Summary
| Description | Proof without words of the formula to calculate the tetrahedral number for n=3 by CMG Lee based on http://demonstrations.wolfram.com/GeometricProofOfTheTetrahedralNumberFormula . | |
| Source | Own work | |
| Author | Cmglee | |
| Other versions |
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Licensing
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:07, 11 September 2025 | | 512 × 512 (7 KB) | Cmglee | {{Information |Description=Proof without words of the formula to calculate the tetrahedral number for ''n''=3 by CMG Lee based on http://demonstrations.wolfram.com/GeometricProofOfTheTetrahedralNumberFormula . |Source={{own}} |Date= |Author= Cmglee |Permission= |other_versions= }} Category:4-3-2 trimetric projection Category:Proof without words Category:Figurate numbers Category:Related to the tetrahedron |
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