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  1. Triangle - Wikipedia

    A triangle has three internal angles, each one bounded by a pair of adjacent edges; the sum of angles of a triangle always equals a straight angle (180 degrees or π radians). The triangle is a plane figure …

  2. Triangl Swimwear. Exclusively Online. Worldwide Shipping.

    Triangl Swimwear available exclusively from our website. Italian-made Velvet, French Jacquard + Signature Neoprene.

  3. Triangles - Equilateral, Isosceles and Scalene

    A triangle has three sides and three angles. The three angles always add to 180°. There are three special names given to triangles that tell how...

  4. Triangle: Definition, Parts, Properties, Types, Formulas

    May 13, 2024 · What is a triangle – find out its definition, parts, properties, different types with their classifications and formulae of area and perimeter using diagrams

  5. TRIANGLE Definition & Meaning - Merriam-Webster

    The meaning of TRIANGLE is a polygon having three sides. How to use triangle in a sentence.

  6. Triangles | Geometry (all content) | Math | Khan Academy

    Test your understanding of Triangles with these 10 questions. You probably like triangles. You think they are useful. They show up a lot. What you'll see in this topic is that they are far more magical and …

  7. Triangle | Definition & Facts | Britannica

    Jan 16, 2026 · triangle, in geometry, a three-sided polygon. Triangles are formed by three line segments, sometimes called edges, whose end points intersect at points known as the vertices. The seemingly …

  8. Triangle - Types and properties - AllMath

    Feb 1, 2024 · A triangle is a fundamental geometric shape composed of three-line segments that intersect at three distinct points. This article aims to cover the definition, types, properties, formulas …

  9. Triangle - Math.net

    A triangle is a closed, two-dimensional shape that has 3 sides, 3 angles, and 3 vertices. It is the polygon with the fewest sides. Since it is the simplest form of a polygon, any polygon can be constructed …

  10. Triangle Symbols - Alt Codes

    List of Triangle symbols with html entity, unicode number code. Learn how to make over 43 Triangle symbols of math, copy and paste text character.