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- [[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
- 33 bytes (3 words) - 16:49, 24 November 2008
- A triangle that has one 90 degree angle.76 bytes (10 words) - 00:02, 23 May 2008
- ...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
- 205 bytes (27 words) - 17:32, 24 November 2008
- 22 bytes (2 words) - 14:32, 25 November 2008
- 12 bytes (1 word) - 21:04, 9 October 2007
- 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
- {{Image|Gray-image549.gif|right|350px|Left femoral triangle.}} The femoral triangle is an anatomical region in the upper thigh. Its contents are remembered wit260 bytes (38 words) - 08:01, 8 June 2009
- 88 bytes (12 words) - 06:11, 3 July 2008
- A triangle that has one angle which is greater than 90 degrees.99 bytes (14 words) - 23:45, 22 May 2008
- A [[triangle]] with three equal sides and three equal [[angle]]s.101 bytes (14 words) - 13:04, 6 July 2008
- A triangle that has all three angles less than 90 degrees.94 bytes (13 words) - 21:49, 22 May 2008
- {{r|Equilateral triangle}} {{r|Isosceles triangle}}231 bytes (27 words) - 13:09, 23 November 2008
- [http://mathworld.wolfram.com/Triangle.html Mathworld Triangle Entry]83 bytes (10 words) - 18:01, 2 November 2007
- 145 bytes (19 words) - 13:01, 29 November 2008
- 12 bytes (1 word) - 22:21, 5 March 2008
- A triangle in which each angle is the same (60 degrees), and each side is the same len126 bytes (20 words) - 22:26, 22 May 2008
- ...et of the perpendiculars from some given point to the sides of a specified triangle.166 bytes (25 words) - 10:43, 4 September 2009
- 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
- Inequality which states that for any triangle, the length of a given side must be less than or equal to the sum of the ot238 bytes (42 words) - 20:29, 4 September 2009
- ...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 af1 KB (183 words) - 22:18, 6 December 2009
- Auto-populated based on [[Special:WhatLinksHere/Triangle inequality]]. Needs checking by a human.490 bytes (62 words) - 21:05, 11 January 2010
- Auto-populated based on [[Special:WhatLinksHere/Pedal triangle]]. Needs checking by a human.454 bytes (58 words) - 19:25, 11 January 2010
- 845 bytes (136 words) - 23:38, 23 June 2008
- Area which is equal to one half the product of the triangle base and the corresponding altitude.133 bytes (20 words) - 20:32, 4 September 2009
- 81 bytes (10 words) - 11:01, 3 October 2009
- 12 bytes (1 word) - 17:30, 2 November 2007
- 268 bytes (35 words) - 10:35, 3 October 2009
- Auto-populated based on [[Special:WhatLinksHere/Pascal's triangle]]. Needs checking by a human.540 bytes (68 words) - 19:23, 11 January 2010
- 104 bytes (12 words) - 17:55, 12 September 2009
- 12 bytes (1 word) - 12:21, 12 November 2007
- ...hed his ''Traité du triangle arithmétique'' ("Treatise on the Arithmetical Triangle") in 1654. Pascal's triangle appears under different formats. Here is its most common:32 KB (4,192 words) - 18:42, 3 March 2024
Page text matches
- ...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
- {{r|Equilateral triangle}} {{r|Isosceles triangle}}231 bytes (27 words) - 13:09, 23 November 2008
- 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
- **[[triangle]] ***[[equilateral triangle|equilateral triangle]]2 KB (177 words) - 03:10, 8 March 2024
- ...et of the perpendiculars from some given point to the sides of a specified triangle.166 bytes (25 words) - 10:43, 4 September 2009
- ...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 t334 bytes (51 words) - 01:09, 9 February 2009
- {{Image|Gray-image549.gif|right|350px|Left femoral triangle.}} The femoral triangle is an anatomical region in the upper thigh. Its contents are remembered wit260 bytes (38 words) - 08:01, 8 June 2009
- ...[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
- ...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 in1 KB (189 words) - 12:27, 11 June 2009
- [[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 f926 bytes (162 words) - 03:58, 19 November 2007
- ...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 af1 KB (183 words) - 22:18, 6 December 2009
- [http://mathworld.wolfram.com/Triangle.html Mathworld Triangle Entry]83 bytes (10 words) - 18:01, 2 November 2007
- A triangle that has all three angles less than 90 degrees.94 bytes (13 words) - 21:49, 22 May 2008
- A triangle that has one 90 degree angle.76 bytes (10 words) - 00:02, 23 May 2008
- A circle that can be constructed for any given triangle.93 bytes (13 words) - 10:12, 4 September 2009
- A triangle that has one angle which is greater than 90 degrees.99 bytes (14 words) - 23:45, 22 May 2008
- In [[triangle geometry]], the '''circumcentre''' of a [[triangle]] is a point which represents the [[centre]] of the [[circumcircle]], the c431 bytes (65 words) - 22:44, 17 February 2009
- :: 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—the sid2 KB (369 words) - 16:12, 1 February 2010
- Represents the number of circles you can arrange to a equilateral triangle.111 bytes (15 words) - 22:28, 17 February 2009
- [[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
- 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
- ...ation in the northern sky near Aries and Andromeda, its name is Latin for 'triangle'.130 bytes (18 words) - 07:56, 12 September 2009
- ...'''Cevian line''' is a line in a [[triangle]] joining a [[vertex]] of the triangle to a point on the opposite side. A '''Cevian set''' is a set of three line Let the triangle be ''ABC'', with the Cevian lines being ''AX'', ''BY'' and ''CZ''. '''Ceva1 KB (157 words) - 22:12, 7 February 2009
- Image:Tetrahedron.png|[[regular tetrahedron]]:4 [[triangle]] faces, 4 vertices, 6 edges Image:Octahedron.png|[[regular octahedron]]: 8 [[triangle]] faces, 6 vertices, 12 edges3 KB (369 words) - 22:54, 5 February 2010
- A [[triangle]] with three equal sides and three equal [[angle]]s.101 bytes (14 words) - 13:04, 6 July 2008
- ...-point circle''' is a circle containing nine points of significance to the triangle: the mid-points of the sides; the feet of the [[altitude (geometry)|altitud610 bytes (88 words) - 17:13, 7 February 2009
- [[Saddam Hussein]]'s place of birth, a town in the Sunni Triangle of central Iraq117 bytes (18 words) - 16:52, 12 March 2024
- In a triangle, a line from a vertex perpendicular to the opposite side.107 bytes (16 words) - 07:14, 12 February 2009
- A geometrical body, generalization of the triangle (plane) and the 3-sided pyramid (space) to arbitrary dimensions.151 bytes (19 words) - 18:18, 6 June 2009
- In a triangle, the line joining one vertex to the midpoint of the opposite side.116 bytes (18 words) - 12:57, 23 November 2008
- Area which is equal to one half the product of the triangle base and the corresponding altitude.133 bytes (20 words) - 20:32, 4 September 2009
- ...[[Vietnam War]] "search and destroy" mission in January 1967 in the "Iron Triangle" area northwest of Saigon.152 bytes (20 words) - 17:10, 1 December 2008
- A line from the vertex of a triangle to some point on the opposite edge.108 bytes (18 words) - 22:13, 7 February 2009
- A triangle in which each angle is the same (60 degrees), and each side is the same len126 bytes (20 words) - 22:26, 22 May 2008
- 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
- The centre of the [[incircle]], a [[circle]] which is within a [[triangle]] and [[tangent]] to its three sides.147 bytes (21 words) - 23:30, 25 November 2008
- ...n of the southern sky near Apus and Norma, its name is Latin for 'southern triangle'.154 bytes (23 words) - 07:57, 12 September 2009
- {{r|Pascal's triangle}} {{r|Triangle}}704 bytes (91 words) - 19:38, 11 January 2010
- Mathematical statement about a general triangle which relates the lengths of its sides to the cosine of one of its angles.159 bytes (24 words) - 09:19, 4 September 2009
- A '''simplex''' is a mathematical object, analogous to a [[triangle]]. Every simplex has a dimension, which is a nonnegative [[integer]]; an n # A 2-simplex is a filled-in triangle.749 bytes (127 words) - 17:13, 14 November 2007
- The centre of the circle that goes through the vertices of a triangle or a cyclic polygon.126 bytes (20 words) - 02:33, 5 December 2008
- Function of an angle expressed as the ratio of two of the sides of a right triangle that contains that angle; the sine, cosine, tangent, cotangent, secant, and206 bytes (32 words) - 20:34, 4 September 2009
- [[Image:Triangle.jpg|left|frame|Fig.1 ∠BAC ≡ α, ∠ABC ≡ β, &a ...y]], the '''law of sines''' (also known as '''sine rule''') relates in a [[triangle]] the [[sine]]s of the three angles and the lengths of their opposite sides3 KB (502 words) - 12:32, 11 June 2009
- ...oy" mission of the [[Vietnam War]], conducted in January 1967 in the "Iron Triangle" area northwest of Saigon. It was followed by a longer mission in the gener ==Iron Triangle==2 KB (285 words) - 08:51, 5 May 2024
- In a right triangle, the ratio of the length of the side opposite an acute angle (less than 90174 bytes (28 words) - 19:26, 4 September 2009
- In a right triangle, the squared length of the side opposite the right angle is equal to the su179 bytes (31 words) - 08:56, 28 May 2008
- ...gle]]s are '''congruent''' if there is a [[rigid motion]] which brings one triangle exactly onto the other ("superposition"). Since properties of Euclidean ge ...may regard these as stating that the data are sufficient to construct the triangle unambiguously.2 KB (246 words) - 14:37, 28 November 2008
- The ratio of the sines of the angles of a triangle is equal to the ratio of the lengths of the opposite sides.146 bytes (26 words) - 05:11, 18 October 2008
- The ratio of the sines of the angles of a triangle is equal to the ratio of the lengths of the opposite sides145 bytes (26 words) - 06:04, 21 October 2008
- ...venient tabular presentation for the [[binomial coefficients]]: [[Pascal's triangle]]. The same year, a friend interested in gambling posed a question that wou2 KB (236 words) - 13:55, 6 June 2008