Topic summary

Triangle geometry

Extracted from the Wikipedia article Triangle.

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^ 4. ISBN .
^ 2): 41–50. doi:10.1007/s00025-008-0294-4. MR 2430410. It is well known that the incenter of a Euclidean triangle lies on its Euler line connecting the centroid and the circumcenter if and only if the triangle is isosceles.
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^ 719. doi:10.1080/00029890.1997.11990706. JSTOR 2975234. MR 1476755.
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^ . The College Mathematics Journal. 17 (4): 326–337. doi:10.2307/2686282. JSTOR 2686282. Archived from the original(PDF) on 29 June 2014.
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^ . The Mathematical Gazette. 92 (523): 29–38. doi:10.1017/S002555720018249X. ISSN 0025-5572.
^ . Journal for Geometry and Graphics. 13 (1): 15–24.
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^ 452. doi:10.1017/S0025557200182087. JSTOR 40378417.
^ 26. doi:10.1017/mag.2017.2.
^ 205. doi:10.1080/0025570X.1994.11996212.
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