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RS Aggarwal Solutions Class 8 Chapter-14 Polygons (Ex 14B) Exercise 14.2

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Last updated date: 23rd May 2024
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RS Aggarwal Solutions Class 8 Chapter-14 Polygons (Ex 14B) Exercise 14.2 - Free PDF

Free PDF download of RS Aggarwal Solutions Class 8 Chapter-14 Polygons (Ex 14B) Exercise 14.2 solved by Expert Mathematics Teachers on Vedantu. All Exercise 14.2 Questions with Solutions for Class 8 Maths RS Aggarwal to help you to revise the complete Syllabus and Score More marks. Register for online coaching for IIT JEE (Mains & Advanced) and other engineering entrance exams.

 

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Introduction to Chapter 14- Polygons

Two- dimensional shapes are discussed in the chapter polygons. This chapter explains what is a polygon, and what are the different types of Polygons. RS Aggarwal class 8 maths solutions for chapter 14 covers a detailed explanation about all the types of Polygons like pentagon, hexagon, octagon, regular polygons, irregular polygons, interior and exterior angles of polygons, and the sum of diagonal of a polygon. All these topics are very important to study and students should get a conceptual understanding of each topic.Class 8 RS Aggarwal maths chapter 14 includes 2 exercises that have 23 questions. These two exercises cover all the important topics from this chapter and help you to prepare this chapter well for your exam, you will be able to get a deep understanding of 2-dimensional geometry. This chapter prepares your base for a higher standard where you will study three-dimensional shapes and coordinate geometry.


Important Topics Chapter 14: Polygons

  1. Polygons


  1. Angles of Polygons

a. Interior Angle

b. Exterior  Angles

 

  1. Types of Polygons 

a. Regular polygon 

b.  Irregular polygon. 

c. Convex polygon. 

d. Concave polygon.

 

  1. Diagonals of Polygons 

FAQs on RS Aggarwal Solutions Class 8 Chapter-14 Polygons (Ex 14B) Exercise 14.2

1. What are polygons mentioned in RS Aggarwal Solutions Class 8 Chapter-14 Polygons (Ex 14B) Exercise 14?

Two-dimensional closed shape that has more than one edge or side is called a polygon. A polygon cannot be an open shape or curvy shape. Examples of the polygon are a rectangle, octagon, triangle, etc. while a circle cannot be a polygon. A polygon must be a closed figure. You can study this concept in-depth in the RS Aggarwal solutions class 8, it provides you with a better understanding of the topics and helps you to score more marks in your exams.

2. What are interior and exterior angles of polygons described in RS Aggarwal Solutions Class 8 Chapter-14 Polygons (Ex 14B) Exercise 14?

RS Aggarwal class 8 maths chapter 14 polygon gives detailed answers to all the concepts and it is written in simple language to help students to understand it and learn it easily. The angles which are inside the polygon are called interior angles and the angles that are outside the polygon are called exterior angles. The sum of the interior angles of a polygon is given by (n−2) × 180°, where ‘n’ sides. You can get a complete understanding of the topic with expert guidance from excellent and experienced teachers of Vedantu. 

3. What are the different types of polygons explained in RS Aggarwal Solutions Class 8 Chapter-14 Polygons (Ex 14B) Exercise 14?

There are 4 types of a polygon:

  • Regular polygons- polygons with all the equal interior angles are known as regular polygons.

  • Irregular polygons- polygons with different interior angles at each side are called irregular polygons.

  • Convex polygon: when the sum of all the interior angles is less than 180 degrees then it is called a convex polygon. For example, an equilateral triangle.

  • Concave polygon- when the sum of all the interior angles of a polygon is more than 180 degrees, then it is known as a concave polygon. 

4. What type of questions are covered in RS Aggarwal Solutions Class 8 Chapter-14 Polygons (Ex 14B) Exercise 14?

RS Aggarwal Solutions Class 8 Chapter-14 Polygons (Ex 14B) Exercise 14.2  contains all the types of questions related to a polygon. These exercises help you to practice this chapter well. This exercise 14.2 includes questions related to the sum of interior angles, exterior angles, and diagonals of a polygon. Then the question includes in which you need to search for the total no. of diagonals in hexagon, pentagon, and octagon. Then if the numbers of diagonals are given, you need to find the sides of that polygon. Also, exercise 14.2 has tricky questions in which the sum of all interior angles are given and you need to find the measure of each interior angle.

5. What are the benefits of RS Aggarwal Class 8 Maths Solutions Chapter 14: Polygons by Vedantu?

RS Aggarwal Solutions Class 8 Chapter-14 Polygons (Ex 14B) Exercise 14 includes a clear explanation of each topic and diagrams that guide you to get a better understanding of problem-solving methods. RS Aggarwal solution provides a summary of the chapter that helps you to get a quick review of the chapter. You can go through the solutions free of cost and get prepared for the final examination. Geometry is a very important subject in class8 and students should take proper guidance to prepare and understand it completely.