What Are Types Of Triangles?

Are you ready to learn about how many types of triangles? A triangle is a specific polygon with only three sides and three angles. Based on these features and design, the properties of a triangle are defined by its different types. The sum of all the inner angles of the triangle will continually be added up to 180 degrees is known as the angle sum property of the triangle. Let us discuss in detail the types of triangles.    

List Of 6 Types Of Triangles

In the below list, there are different types of triangles. Let us check their names. 

  1. Scalene Triangle 
  2. Acute Triangle 
  3. Right Triangle 
  4. Equilateral Triangle 
  5. Isosceles Triangle 
  6. Obtuse Triangle 

6 Types Of Triangles

From the above list of triangles, here are 6 types of triangles. Let us know more about them.

  1. Scalene Triangle

Scalene Triangle

A Scalene Triangle is a triangle with three unequal sides this means that the three angles are of different sizes. It is one of three types of triangles based on its side properties. It has no parallel or equal sides, so there is no line of symmetry. It is one of the Geometric types of triangles.

  1. Acute Triangle

Acute Triangle 

An acute angle triangle is a triangle in which all internal angles are acute angles. To remember, an acute angle is an angle that is less than 90 degrees. This triangle is one of the types of triangles based on angles. In acute triangles, the line drawn from the base of the triangle to the opposite vertex is always perpendicular.

  1. Right Triangle

Right Triangle 

What are the next types of triangles and their properties?

A right triangle is a triangle with an angle of 90 degrees. Also, the other two angles are less than 90º or have acute angles. Relationships between different sides can be easily understood with the help of Pythagoras’ law in this triangle.

  1. Equilateral Triangle

Equilateral Triangle

The next types of triangles in geometry, an equilateral triangle is a triangle whose sides are of equal length. Since the three sides are equal, the three angles, opposite the same sides, are equal in measure. The sum of all the three angles of an equilateral triangle is 180 degrees. It is one of the types of triangles by sides.

  1. Isosceles Triangle

Isosceles Triangle 

An isosceles triangle is a triangle with at least two sides of the same size. The two equal sides of an isosceles triangle are called legs and the angle between them is called the vertex or the vertex angle. Isosceles is the types of triangles based on sides. The perpendicular bisector drawn from the vertex angle divides the unequal sides of the angle and the triangle.

  1. Obtuse Triangle

Obtuse Triangle

Do you know about the obtuse triangle? Let us see the next types of triangles with a definition. An Obtuse triangle is a triangle with an interior angle greater than 90 degrees. One of the vertices of an Obtuse-angle triangle is an Obtuse angle and the other angle is acute.

Scalene Triangle, Equilateral Triangle, and Isosceles Triangle are the 3 types of triangles.

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What Are The 3 Main Types Of Triangles?

According to internal angles, there are three types of triangles i.e., acute, right, and obtuse-angled triangle. According to the length of sides, triangles can be classified into 3 categories i.e., Scalene, Isosceles, and Equilateral triangle.

What Are The 7 Types Of Triangle?

To learn about and construct the seven types of triangles that exist in the world: equilateral, right isosceles, obtuse isosceles, acute isosceles, right scalene, obtuse scalene, and acute scalene.

What Are The 4 Types Of Triangle?

This math worksheet gives your child practice identifying equilateral, isosceles, scalene, and right triangles.

What Are The 3 Sides Of A Triangle Called?

In a right triangle, the hypotenuse is the longest side, an “opposite” side is the one across from a given angle, and an “adjacent” side is next to a given angle. We use special words to describe the sides of right triangles.

What Is Another Name For An Acute Triangle?

Acute triangles are also called acute-angled triangles. Even though the length of the sides of acute triangles differs, the interior angles are never more than 90°.

What Is The 3 4 5 Triangle Rule Called?

What is a 3-4-5 Triangle? A Pythagorean triple is a special case where the lengths of all the sides of a right triangle are whole numbers. The 3-4-5 triangle is the smallest and best known of the Pythagorean triples.


In this article, we share the details about the triangles. We discussed what kinds of triangles are there. We have seen all types of triangles in mathematics. Also, we see the definition of triangles and what are the properties of triangles. We share how many sides and angles are equal in triangles. The above information was all about the types of triangles.     

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