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  1. 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...

  2. Triangle - Wikipedia

    Triangles are classified into different types based on their angles and the lengths of their sides. Relations between angles and side lengths are a major focus of trigonometry. In particular, the …

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

    May 13, 2024 · Triangles are classified into two groups: based on sides, 1) scalene, 2) isosceles, and 3) equilateral triangles; based on angles, 1) acute angle, 2) obtuse angle, and 3) right or …

  4. Types of Triangles - Definitions, Properties, Examples

    There are different types of triangles in math based on their sides and angles. Learn about different types of triangles, and their classification based on the side lengths and angles, with …

  5. Triangle Types and Classifications: Isosceles, Equilateral, Obtuse ...

    Types of Triangles Isosceles, Equilateral, Scalene, Obtuse... Triangles can be classified by various properties relating to their angles and sides. The most common classifications are …

  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 …

  7. Triangles in Geometry - Definition, Shape, Types, Properties

    A triangle is a three-sided polygon that has 3 angles, and 3 vertices. Learn the definition of triangles, their types, parts, properties using a variety of examples.

  8. Triangle - Types and properties - AllMath

    Feb 1, 2024 · Triangles are one of the simplest and most versatile shapes in geometry, forming the basis for many other geometric concepts. A triangle is a fundamental geometric shape …

  9. Triangles: Types, Properties, and Formulas

    Learn about the different types of triangles in geometry, their properties, and important formulas including the Pythagorean Theorem, Sine Law, Cosine Law, and area formulas.

  10. Real Life Applications of Triangles - GeeksforGeeks

    Jul 23, 2025 · Triangles, the fundamental shapes of geometry, are simple yet intriguing structures composed of three sides and three angles. They are everywhere, ranging from the things we …