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• Triangle
  [[Image:Triangle.png|right]] ''This article is about the geometric shape. For the drafting tool, see [[Triangle (tool)]].''
  4 KB (637 words) - 16:32, 24 November 2008
• Triangle inequality
  The '''triangle inequality''' is a basic result in mathematics, which, in its simplest form ''The sum of the lengths of two sides of a triangle is greater than the length of the third''
  2 KB (414 words) - 08:12, 16 April 2009
• Femoral triangle
  {{Image|Gray-image549.gif|right|350px|Left femoral triangle.}} The femoral triangle is an anatomical region in the upper thigh. Its contents are remembered wit
  260 bytes (38 words) - 08:01, 8 June 2009
• Triangle/Definition
  88 bytes (12 words) - 06:11, 3 July 2008
• Orthic triangle
  33 bytes (3 words) - 16:49, 24 November 2008
• Right triangle/Definition
  A triangle that has one 90 degree angle.
  76 bytes (10 words) - 00:02, 23 May 2008
• Pedal triangle
  ...e are produced, the definition makes sense for points outside the original triangle, provided only that they are not on the [[circumcircle]], in which case the ...be iterated with respect to the original point. The third iterated pedal triangle is [[similarity|similar]] to the original.
  1 KB (162 words) - 14:05, 8 March 2009
• Triangle/Bibliography
  205 bytes (27 words) - 17:32, 24 November 2008
• Contact triangle
  22 bytes (2 words) - 14:32, 25 November 2008
• Triangle/Approval
  12 bytes (1 word) - 21:04, 9 October 2007
• Triangle inequality/Approval
  12 bytes (1 word) - 22:21, 5 March 2008
• Equilaterial triangle/Definition
  A triangle in which each angle is the same (60 degrees), and each side is the same len
  126 bytes (20 words) - 22:26, 22 May 2008
• Pedal triangle/Definition
  ...et of the perpendiculars from some given point to the sides of a specified triangle.
  166 bytes (25 words) - 10:43, 4 September 2009
• Isosceles triangle/Definition
  A triangle that has two sides of equal length and two angles of the same degree.
  116 bytes (19 words) - 23:32, 22 May 2008
• Triangle inequality/Definition
  Inequality which states that for any triangle, the length of a given side must be less than or equal to the sum of the ot
  238 bytes (42 words) - 20:29, 4 September 2009
• Obtuse triangle/Definition
  A triangle that has one angle which is greater than 90 degrees.
  99 bytes (14 words) - 23:45, 22 May 2008
• Equilateral triangle/Definition
  A [[triangle]] with three equal sides and three equal [[angle]]s.
  101 bytes (14 words) - 13:04, 6 July 2008
• Acute triangle/Definition
  A triangle that has all three angles less than 90 degrees.
  94 bytes (13 words) - 21:49, 22 May 2008
• Triangle/Related Articles
  {{r|Equilateral triangle}} {{r|Isosceles triangle}}
  231 bytes (27 words) - 13:09, 23 November 2008
• Triangle/External Links
  [http://mathworld.wolfram.com/Triangle.html Mathworld Triangle Entry]
  83 bytes (10 words) - 18:01, 2 November 2007

Page text matches

• Pedal triangle
  ...e are produced, the definition makes sense for points outside the original triangle, provided only that they are not on the [[circumcircle]], in which case the ...be iterated with respect to the original point. The third iterated pedal triangle is [[similarity|similar]] to the original.
  1 KB (162 words) - 14:05, 8 March 2009
• Triangle/Related Articles
  {{r|Equilateral triangle}} {{r|Isosceles triangle}}
  231 bytes (27 words) - 13:09, 23 November 2008
• Median (geometry)
  In [[triangle geometry]], a '''median''' of a [[triangle]] is a line joining one [[vertex]] to the midpoint of the opposite side. I ...ent]], and their common point is the [[centroid]] or [[barycentre]] of the triangle: this common point divides each median in the ratio 2:1.
  452 bytes (71 words) - 17:00, 24 November 2008
• Euclidean geometry
  **[[triangle]] ***[[equilateral triangle|equilateral triangle]]
  2 KB (177 words) - 03:10, 8 March 2024
• Pedal triangle/Definition
  ...et of the perpendiculars from some given point to the sides of a specified triangle.
  166 bytes (25 words) - 10:43, 4 September 2009
• Centroid
  ...is a point which represents the [[barycentre]] or centre of gravity of the triangle; the barycentre of the three [[vertex|vertices]]; and the point common to t
  334 bytes (51 words) - 01:09, 9 February 2009
• Femoral triangle
  {{Image|Gray-image549.gif|right|350px|Left femoral triangle.}} The femoral triangle is an anatomical region in the upper thigh. Its contents are remembered wit
  260 bytes (38 words) - 08:01, 8 June 2009
• Altitude (geometry)
  ...[pedal triangle]]), and lie on the [[nine-point circle]]. The area of the triangle is equal to half the product of an altitude and the side it meets.
  671 bytes (102 words) - 14:53, 12 February 2009
• Incentre
  ...centre. The '''inradius''' is the radius of the incircle: the area of the triangle is equal to the product of the inradius and the [[semi-perimeter]]. The in
  1 KB (189 words) - 12:27, 11 June 2009
• Law of cosines
  [[Image:Triangle.jpg|thumb|frame|Figure 1: A generic triangle with sides of length <math>a</math>, <math>b</math>, and <math>c</math> opp ...three lengths or three angles and two lengths. When dealing with a right triangle, the law of cosines reduces to the [[Pythagorean theorem]] because of the f
  926 bytes (162 words) - 03:58, 19 November 2007
• Area of a triangle
  ...se'', which can be any side, and <math>h</math> is the ''altitude'' of the triangle, which is the perpendicular distance from the base (or the line containing where <math> s = \frac{1}{2} (a+b+c) </math>is the [[semiperimeter]] of the triangle. This formula is known as the Heron's formula (or Hero's formula), named af
  1 KB (183 words) - 22:18, 6 December 2009
• Triangle/External Links
  [http://mathworld.wolfram.com/Triangle.html Mathworld Triangle Entry]
  83 bytes (10 words) - 18:01, 2 November 2007
• Acute triangle/Definition
  A triangle that has all three angles less than 90 degrees.
  94 bytes (13 words) - 21:49, 22 May 2008
• Right triangle/Definition
  A triangle that has one 90 degree angle.
  76 bytes (10 words) - 00:02, 23 May 2008
• Nine-point circle/Definition
  A circle that can be constructed for any given triangle.
  93 bytes (13 words) - 10:12, 4 September 2009
• Obtuse triangle/Definition
  A triangle that has one angle which is greater than 90 degrees.
  99 bytes (14 words) - 23:45, 22 May 2008
• Circumcentre
  In [[triangle geometry]], the '''circumcentre''' of a [[triangle]] is a point which represents the [[centre]] of the [[circumcircle]], the c
  431 bytes (65 words) - 22:44, 17 February 2009
• Pythagorean theorem
  :: The sum of the areas of the squares on the legs of a [[right triangle]] is equal to the area of the square on the [[hypotenuse]]. The "legs" are the two sides of the triangle that meet at a right angle. The hypotenuse is the other side&mdash;the sid
  2 KB (369 words) - 16:12, 1 February 2010
• Triangular number/Definition
  Represents the number of circles you can arrange to a equilateral triangle.
  111 bytes (15 words) - 22:28, 17 February 2009
• Triangle
  [[Image:Triangle.png|right]] ''This article is about the geometric shape. For the drafting tool, see [[Triangle (tool)]].''
  4 KB (637 words) - 16:32, 24 November 2008