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 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.

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...

Triangle A triangle is a closed shape with 3 angles, 3 sides, and 3 vertices. A triangle with three vertices P, Q, and R is represented as PQR. The most commonly seen examples of triangles …

Jul 23, 2025 · A triangle is formed by three line segments (edges) that intersect at three vertices, creating a two-dimensional region. Triangles are fundamental geometric shapes that play a …

Today, let’s take a closer look at what a triangle is, what properties define a triangle, and the different types of triangles you might encounter in primary school!

Dec 5, 2025 · A triangle is a three-sided polygon, formed by three line segments, whose end points intersect at points known as the vertices.

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, …

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 …

A triangle is a flat shape (polygon) with three straight sides and three angles. Because it has the fewest sides possible for a polygon, we say that it’s the simplest polygon in geometry.