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Tricontagon - Wikipedia, the free encyclopedia |
 | | In geometry, a triacontagon is a polygon with 30 sides. |
| | The sum of all the angles in a triacontagon sums 5040 degrees. |
| | The measure of each angle of a regular triacontagon is 168 degrees, and the area with side length a is given by |
| en.wikipedia.org /wiki/Tricontagon (76 words) |
