أي الجمل التالية صحيحة لأي مثلث ؟. وحدة محوسبة

Springer, Berlin Heidelberg New York 2007, , S Burago 2001 [1994], "Isoperimetric inequality", in Hazewinkel, Michiel ed
Smith, Geoff, and Leversha, Gerry, "Euler and triangle geometry", Mathematical Gazette 91, November 2007, 436—452 "On the remainder term in the Madhava—Leibniz's series"

Geometry revisited, volume 19 ofNew MathematicalLibrary.

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درجة حرارة الماء في الكاسين الزجاجيتين الموضحتين في الصورة السابقة هما ۳۰°س، وصفرس، أي الجمل التالية صحيحة فيما يتعلق بالكأسين الزجاجيتين.
Springer, Berlin, Heidelberg, New York,
تحليل سؤال فلسفي
Advanced Euclidean Geometry: An Elementary treatise on the geometry of the Triangle and the Circle
المثلث في الشكل أدناه قائم الزاوية و مختلف الأضلاع .
Verlag Harri German, 5th edition, Thun and Frankfurt 2001, p
Marie-Nicole Gras, "Distances between the circumcenter of the extouch triangle and the classical centers", Forum Geometricorum 14 2014 , 51-61 "The History of the Solution of the Cubic Equation", Mathematics News Letter 5 4 , p
Translated from Postnikov's 1963 Russian book on , The Elements of Geometry, in Eight Books; or, First Step in Applied Logic London, Longmans, Green, Reader and Dyer, 1874 , p

Courant and Robbins 1996, p.

وحدة محوسبة
"Inversion in a Circle" and "Inversion of Lines and Circles
اي الجمل التالية صحيحة لأي مثلث
An exploration of twenty key images, Mathematical Association of America, 2011, p
دائرة
, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus• "On the Equations and Properties: 1 of the System of Circles Touching Three Circles in a Plane; 2 of the System of Spheres Touching Four Spheres in Space; 3 of the System of Circles Touching Three Circles on a Sphere; 4 of the System of Conics Inscribed to a Conic, and Touching Three Inscribed Conics in a Plane"