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  1. Triangle - Wikipedia

    Triangle, a polygon with three corners (vertices) and three lines (sides) A triangle or trigon[1] is a polygon consisting of three sides …

  2. Triangles - Equilateral, Isosceles and Scalene - Math is Fun

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

  3. 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 …

  4. Triangle Calculator

    This free triangle calculator computes the edges, angles, area, height, perimeter, median, as well as other values and a diagram of …

  5. Types of Triangles - Definitions, Properties, Examples - Cuemath

    There are different types of triangles in math based on their sides and angles. Learn about different types of triangles, and their …

  6. triangle - Wiktionary, the free dictionary

    3 days ago · triangle (third-person singular simple present triangles, present participle triangling, simple past and past participle …

  7. TRIANGLE Definition & Meaning - Merriam-Webster

    2 days ago · The meaning of TRIANGLE is a polygon having three sides.

  8. Triangle: Definition, Types, Properties, and Formulas Explained

    Learn everything about triangles in geometry. Explore the definition, types, properties, perimeter and area formulas, with clear …

  9. Triangle | Definition & Facts | Britannica

    Jul 29, 2026 · A triangle is a three-sided polygon, formed by three line segments, whose end points intersect at points known as the …

  10. Triangle (2009 British film) - Wikipedia

    Triangle is a 2009 British-Australian psychological horror film written and directed by Christopher Smith and starring Melissa George, …