¹ *Source: wiktionary.com*

### Definition of Triangles

**1.** triangle [n] - See also: triangle

### Triangles Pictures

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### Lexicographical Neighbors of Triangles

### Literary usage of Triangles

Below you will find example usage of this term as found in modern and/or classical literature:

**1.** *The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General* by Thomas Spencer Baynes (1888)

"It might be contended that in' small **triangles** the difference between the sum of
... Seeing therefore that small **triangles** obey the law, it is necessary to~ ..."**2.** *Projective Geometry* by Oswald Veblen, John Wesley Young (1918)

"Congruent and similar **triangles**. Two of the three fundamental criteria for ...
In the following theorems we shall restrict attention to **triangles** none of ..."**3.** *The Thirteen Books of Euclid's Elements* by Euclid, Johan Ludvig Heiberg (1908)

"right-angled **triangles** of the figures which are the faces of the first four
regular solids. The face of the cube is the square which is formed from ..."**4.** *The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, Literature and* (1911)

"Since any plane triangle can be divided into right-angled **triangles**, the solution
of all plane **triangles** can be reduced to that of right-angled **triangles**; ..."**5.** *Encyclopaedia Britannica: A Standard Work of Reference in Art, Literature* (1907)

"The two **triangles** therefore are said to be both со-H near and co-axal. ...
Let us first suppose the **triangles** to be in different planes. ..."**6.** *Anatomy, Descriptive and Surgical* by Henry Gray (1901)

"This space is subdivided into two large **triangles** by the Sterno-mastoid muscle,
... These smaller **triangles** are named, from below upward, the inferior ..."