Classifying triangles in math is based on their sides and angles. Learn about different types of triangles, and their classification based on the side lengths and angles, with concepts, definitions, properties, …

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 described on this …

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...

Classifying triangles. K5 describes how we classify triangles and their angles. Free worksheets for practice are also provided.

Triangles can be classified either according to their sides or according to their angles. All of each may be of different or the same sizes; any two sides or angles may be of the same size; there may be one …

We’ve looked at classifying types of triangles according to the size of its angles: right triangles, acute triangles and obtuse triangles; and also covered types of triangles according to the length of its …

Jan 1, 2026 · Triangles can be classified by their sides and by their angles. When classifying a triangle by its sides, determine if any of the sides are the same length. If no sides are the same length, then it …

Learn how to classify triangles by sides and angles with easy explanations, visual examples, and interactive quizzes. Perfect for K-5 math students.

Learn about triangle classification based on side lengths and angles, including equilateral, isosceles, scalene, acute, right, and obtuse triangles, with step-by-step examples demonstrating how to identify …

When comparing the lengths of a triangle's sides, all three sides may be equal, two sides may be equal, or all three sides may be different lengths. This observation forms the basis of a classification system.