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  1. 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 …

  2. 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...

  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 Calculator

    Triangles classified based on their internal angles fall into two categories: right or oblique. A right triangle is a triangle in which one of the angles is 90°, and is denoted by two line segments …

  6. 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.

  7. 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.

  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. 7.2: Triangles - Mathematics LibreTexts

    This page explains the characteristics of triangles, which have three sides and angles summing to 180 degrees. They can be classified by side lengths into isosceles, equilateral, and scalene, …

  10. 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 …