Editing Triangle (section)

=== Works cited ===
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}}
* {{cite journal
 | last = Hungerbühler | first = Norbert
 | doi = 10.2307/2974536
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 | mr = 1299166
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* {{cite book
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 | year = 2021
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 | last = Lardner | first = Dionysius | author-link = Dionysius Lardner
 | location = London
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 | year = 1840
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* {{cite journal
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}}
* {{cite book 
 | last = Nielsen | first = Frank
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 | year = 2021
 | title = Progress in Information Geometry: Theory and Applications
 | series = Signals and Communication Technology
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 | contribution-url = https://books.google.com/books?id=hHMjEAAAQBAJ
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 | title = Why Are the Side Lengths of the Squares Inscribed in a Triangle so Close to Each Other?
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 | volume = 13
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}}
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 | last1 = Pocchiola | first1 = Michel
 | last2 = Vegter | first2 = Gert
 | editor-last1 = Chazelle | editor-first1 = Bernard
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 | editor-last3 = Pollack | editor-first3 = Richard
 | year = 1999
 | contribution = On Polygonal Covers
 | title = Advances in Discrete and Computational Geometry: Proceedings of the 1996 AMS-IMS-SIAM Joint Summer Research Conference, Discrete and Computational Geometry&mdash;Ten Years Later, July 14-18, 1996, Mount Holyoke College
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 | year = 1995
 | title = Introduction to Hyperbolic Geometry
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 | last1 = Riley | first1 = Michael W.
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 | last3 = Ballard | first3 = John L.
 | date = December 1982
 | doi = 10.1177/001872088202400610
 | issue = 6
 | journal = Human Factors: The Journal of the Human Factors and Ergonomics Society
 | pages = 737–742
 | title = An Investigation of Preferred Shapes for Warning Labels
 | volume = 24
 | s2cid = 109362577
}}
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 | last = Ryan | first = Mark
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}}
* {{cite book|last=Smith |first=James T. |title=Methods of Geometry |pages= |publisher=Wiley |year=2000 |isbn=0-471-25183-6}}
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 | last = Stahl | first = Saul
 | isbn = 0-13-032927-4
 | publisher = Prentice-Hall
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 | last1 = Usiskin | first1 = Zalman | author1-link = Zalman Usiskin
 | last2 = Griffin | first2 = Jennifer
 | isbn = 9781607526001
 | publisher = Information Age Publishing
 | series = Research in Mathematics Education
 | title = The Classification of Quadrilaterals: A Study in Definition
 | year = 2008
}}
* {{cite book
 | last1 = Vahedi | first1 = Mostafa
 | last2 = van der Stappen | first2 = A. Frank
 | editor-last1 = Akella | editor-first1 = Srinivas
 | editor-last2 = Amato | editor-first2 = Nancy M.
 | editor-last3 = Huang | editor-first3 = Wesley
 | editor-last4 = Mishra | editor-first4 = Bud
 | contribution = Caging Polygons with Two and Three Fingers
 | contribution-url = https://books.google.com/books?id=SLo6okq4wVgC
 | title = Algorithmic Foundation of Robotics VII: Selected Contributions of the Seventh International Workshop on the Algorithmic Foundations of Robotics
 | year = 2008
 | isbn = 978-3-540-68405-3
 | doi = 10.1007/978-3-540-68405-3
}}
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 | last1 = Verdiyan | first1 = Vardan
 | last2 = Salas | first2 = Daniel Campos
 | title = Simple trigonometric substitutions with broad results
 | journal = Mathematical Reflections
 | issue = 6
 | year = 2007
}}
* {{cite book
 | last = Young | first = Cynthia | author-link = Cynthia Y. Young
 | year = 2017
 | title = Trigonometry
 | edition = 4th
 | publisher = John Wiley & Sons
 | url = https://books.google.com/books?id=476ZDwAAQBAJ
 | isbn = 978-1-119-32113-2
}}
{{refend}}