Right-angled
41angled draft — noun : a method of drawing cloth in which alternate twilling to left and right produces a herringbone …
42Special right triangles — Two types of special right triangles appear commonly in geometry, the angle based and the side based (or Pythagorean) triangles. The former are characterised by integer ratios between the triangle angles, and the latter by integer ratios between… …
43Acute-angled — A*cute an gled ( [a^][ng] g ld), a. Having acute angles; as, an acute angled triangle, a triangle with every one of its angles less than a right angle. [1913 Webster] …
44obtuse-angled — | ̷ ̷ ̷ ̷ adjective also obtuse angular | ̷ ̷ ̷ ̷ ̷ ̷ : having one or more angles that are obtuse * * * obtuseˈ angˈled or obtuseˈ angˈular adjective Having an angle greater than a right angle and less than 180º • • • Main Entry: ↑obtuse …
45Теорема Пифагора — Теорема Пифагора  одна из основополагающих теорем евклидовой геометрии, устанавливающая соотношение между сторонами прямоугольного треугольника. Содержание 1 …
46Triangle — This article is about the basic geometric shape. For other uses, see Triangle (disambiguation). Isosceles and Acute Triangle redirect here. For the trapezoid, see Isosceles trapezoid. For The Welcome to Paradox episode, see List of Welcome to… …
47Heronian triangle — In geometry, a Heronian triangle is a triangle whose sidelengths and area are all rational numbers. It is named after Hero of Alexandria.PropertiesAny triangle whose sidelengths are a Pythagorean triple is Heronian, as the sidelengths of such a… …
48Hyptiotes Americanus — Triangle Tri an gle, n. [L. triangulum, fr. triangulus triangular; tri (see {Tri }) + angulus angle: cf. F. triangle. See {Angle} a corner.] 1. (Geom.) A figure bounded by three lines, and containing three angles. [1913 Webster] Note: A triangle… …
49Triangle — Tri an gle, n. [L. triangulum, fr. triangulus triangular; tri (see {Tri }) + angulus angle: cf. F. triangle. See {Angle} a corner.] 1. (Geom.) A figure bounded by three lines, and containing three angles. [1913 Webster] Note: A triangle is either …
50Triangle spider — Triangle Tri an gle, n. [L. triangulum, fr. triangulus triangular; tri (see {Tri }) + angulus angle: cf. F. triangle. See {Angle} a corner.] 1. (Geom.) A figure bounded by three lines, and containing three angles. [1913 Webster] Note: A triangle… …
