Triangle (English Wikipedia)

aleph0.clarku.edu

• 10. "Euclid's Elements, Book I, Proposition 32".

architectureweek.com

• 35. Jodidio, Philip (2009). "Triangle House in Norway". Architecture Week. Retrieved 5 March 2011. Local zoning restrictions determined both the plan and the height of the Triangle House in Nesodden, Norway, which offers views toward the sea through a surrounding pine forest.

archive.org

• 8. Zeidler, Eberhard (2004). Oxford Users' Guide to Mathematics. Oxford University Press. p. 729. ISBN 978-0-19-850763-5.
• 19. The Āryabhaṭīya by Āryabhaṭa (translated into English by Walter Eugene Clark, 1930) hosted online by the Internet Archive.

archrecord.construction.com

• 36. Metz, Tracy (July 2009). "The Chapel of the Deaconesses of Reuilly". Architectural Record. Retrieved 5 March 2011. the classical functions of a church in two pure forms: a stark triangle of glass and, inside it, a rounded, egglike structure made of wood.
• 37. Deborah Snoonian, P.E. (5 March 2011). "Tech Briefs: Seismic framing technology and smart siting aid a California community college". Architectural Record. Retrieved 5 March 2011. More strength, less material ... They share a common material language of structural steel, glass and metal panels, and stucco cladding; their angular, dynamic volumes, folded roof plates, and triangular forms are meant to suggest the plate tectonics of the shifting ground planes they sit on.
• 38. Sarah Amelar (November 2006). "Prairie Ridge Ecostation for Wildlife and Learning". Architectural Record. Retrieved 5 March 2011. Perched like a tree house, the $300,000 structure sits lightly on the terrain, letting the land flow beneath it. Much of the building rests on three triangular heavy-timber frames on a concrete pad.

articles.latimes.com

• 33. "Tokyo Designers Envision 500-Story Tower". Los Angeles Times. Associated Press. 10 November 1989. Retrieved 5 March 2011. A construction company said Thursday that it has designed a 500-story skyscraper for Tokyo, ... The building is shaped like a triangle, becoming smaller at the top to help it absorb shock waves. It would have a number of tunnels to let typhoon winds pass through rather than hitting the building with full force.

boston.com

• 39. Joshua Rothman (13 March 2011). "Building a better brick". Boston Globe. Retrieved 5 March 2011. Bricks are among the world's oldest building materials – the first were used as long ago as 7,500 B.C. ... An especially beautiful proposal by Rizal Muslimin at the Massachusetts Institute of Technology came in as a runner-up: BeadBricks are flat, triangular bricks that can be combined in three dimensions (rather than the usual two).

central.edu

• 18. "Euclid's Proof of the Pythagorean Theorem | Synaptic". Central College. Retrieved 12 July 2023.

clarku.edu

• 16. Prof. David E. Joyce. "The Laws of Cosines and Sines". Clark University. Retrieved 1 November 2008.

data.perseus.org

• 3. "Euclid Elements Book I Definition 20".

doi.org

• 31. Chandran, Sharat; Mount, David M. (1992). "A parallel algorithm for enclosed and enclosing triangles". International Journal of Computational Geometry & Applications. 2 (2): 191–214. doi:10.1142/S0218195992000123. MR 1168956.

en.wiktionary.org

• 5. Euclid defines isosceles triangles based on the number of equal sides, i.e. only two equal sides. An alternative approach defines isosceles triangles based on shared properties, i.e. equilateral triangles are a special case of isosceles triangles. wikt:Isosceles triangle
• 11. The n external angles of any n-sided convex polygon add up to 360 degrees.

forumgeom.fau.edu

• 22. "Oxman, Victor. "On the existence of triangles with given lengths of one side and two adjacent angle bisectors", Forum Geometricorum 4, 2004, 215–218" (PDF).
• 30. "Victor Oxman and Moshe Stupel, "Why Are the Side Lengths of the Squares Inscribed in a Triangle so Close to Each Other?", Forum Geometricorum 13 (2013) 113–115".

mathdl.maa.org

• 26. Kalman, Dan. "An Elementary Proof of Marden's Theorem", 2008, American Mathematical Monthly 115, 330–338.

mathscinet.ams.org

• 31. Chandran, Sharat; Mount, David M. (1992). "A parallel algorithm for enclosed and enclosing triangles". International Journal of Computational Geometry & Applications. 2 (2): 191–214. doi:10.1142/S0218195992000123. MR 1168956.

mathsisfun.com

• 2. "Triangles - Equilateral, Isosceles and Scalene". www.mathsisfun.com. Retrieved 1 September 2020.

mathworld.wolfram.com

• 1. Weisstein, Eric W. "Triangle". MathWorld.
• 4. Weisstein, Eric W. "Equilateral Triangle". MathWorld.
• 6. Weisstein, Eric W. "Isosceles Triangle". MathWorld.
• 7. Weisstein, Eric W. "Scalene triangle". MathWorld.
• 17. Weisstein, Eric W. "Law of Tangents". Wolfram MathWorld. Retrieved 26 July 2012.
• 20. Weisstein, Eric W. "Triangle area". MathWorld.
• 28. Weisstein, Eric W. "Triangle Circumscribing". Wolfram Math World.

nytimes.com

• 34. Stapinski, Helene (26 May 2010). "A Quirky Building That Has Charmed Its Tenants". The New York Times. Retrieved 5 March 2011. Though it is hard to configure office space in a triangle

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