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**In this post, we will discuss triangles and properties of different types of a triangle that will help you solve questions from Plain Geometry in SSC CGL 2017 Exam.**

In SSC CGL Exams, questions from the topic of triangles often appear. One should have a firm grip on the basics and different types of triangles to solve these questions. In this post, we will discuss different types of triangles and basic properties related to different types of triangles that will help you easily crack questions from the topic Triangle in SSC CGL Exams.

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**What is a Triangle?**

A triangle is a plane figure which is bound by three straight lines. A triangle has three vertices where three angles are formed.

In triangle ABC - AB, BC and AC are the three sides.

Let us assume BC as side a, AC as side b and AB as side c.

The three angles of the triangle ABC are A, B and C.

In triangle ABC - AB, BC and AC are the three sides.

Let us assume BC as side a, AC as side b and AB as side c.

The three angles of the triangle ABC are A, B and C.

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**Different Properties Of A Triangle**

**Triangle Property 1:**Sum of all the angles in a triangle is equal to 180 degrees.

**Triangle**

**Property 3:**In a triangle, differences between any two sides is lesser than the third side.

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**Different Types of Triangles**

Triangles can be differentiated into two broad categories:

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**1. On the basis of angles.****2. On the basis of Length of the sides.**###
**Different Types of Triangles on the basis of Angles **

**Different types of triangles: Right Angled Triangle**

A right angled triangle is a triangle in which one angle is exactly 90 degrees.

**Different types of triangles:**Acute Angled Triangle

In a triangle, if all the angles are less than 90 degrees then that triangle is called as acute angled triangle.

**Different types of triangles:**

**Obtuse**

**Angled**

**Triangle**

In a triangle, if one angle is more than 90 degrees, then that triangle is called as an obtuse angled triangle.

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**Different Types of Triangles on the basis of the length of the sides **

Different types of triangles:

A scalene triangle is a triangle which has all the sides of different length.

**Scalene Triangle**A scalene triangle is a triangle which has all the sides of different length.

**Different types of triangles: Isosceles Triangle****An isosceles triangle is a triangle which has two sides of equal length and two similar angles.**

Different types of triangles:

An equilateral triangle is a triangle which has all the sides of equal length and all the angles in a triangle are 60 degrees.

**Equilateral Triangle**An equilateral triangle is a triangle which has all the sides of equal length and all the angles in a triangle are 60 degrees.

**Exterior Angle of a triangle**

When any side of a triangle is produced up to a particular point, then an exterior angle is produced. The exterior angle which is produced will the sum of the other two interior angles.

Hope this post on different types of triangles have been of help to you while preparing for SSC CGL 2017 as questions from geometry section often appear in these competitive exams.

Do write in the comment section below on how this post has helped you understand different types of triangles asked in mock tests for SSC CGL. Also, download free questionnaire for practice!

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