NCERT Grade 8 Mathematics Chapter 3, Understanding Quadrilaterals deals with the four-sided geometric shapes, quadrilaterals. Different shapes, their properties and simple operation with these shapes are explained in a lucid language with the help of diagrams and figures in this chapter.Introduction to Quadrilaterals, Polygons, Classification of polygons, Diagonals, Convex and concave polygons, Regular and irregular polygons, Angle sum property, Sum of the Measures of the Exterior Angles of a Polygon, Kinds of Quadrilaterals, Trapezium, Kite, Parallelogram, Elements of a parallelogram, Angles of a parallelogram, Diagonals of a parallelogram, Some Special Parallelograms, Rhombus, A rectangle and A square are the main topics discussed in this chapter.
Activities to understand better, exercises and Assignments make NCERT Grade 8 Mathematics Chapter 3, Understanding Quadrilaterals very interesting and fun to learn. New concepts and a summarisation of the topics learnt throughout the chapter are mentioned in a tabular form at the end of the chapter. This proves to be a helpful learning tool for the students to learn and revise. This chapter will take the students through the wonderful world of quadrilaterals. It will help them to not only develop a grip of the topic but also master the concepts that will help them to perform better.
Get 100 percent accurate NCERT Solutions for Class 8 Maths Chapter 3 (Understanding Quadrilaterals) solved by expert Maths teachers. We provide step by step solutions for questions given in class 8 maths text-book as per CBSE Board guidelines from the latest NCERT book for class 8 maths. The topics and sub-topics in Chapter 3 Understanding Quadrilaterals are given below.
Ex 3.1 - Introduction
Ex 3.2 - Polygons
Ex 3.2.1 - Classification of polygons
Ex 3.2.2 - Diagonals
Ex 3.2.3 - Convex and concave polygons
Ex 3.2.4 - Regular and irregular polygons
Ex 3.2.5 - Angle sum property
Ex 3.3 - Sum of the Measures of the Exterior Angles of a Polygon
Ex 3.4 - Kinds of Quadrilaterals
Ex 3.4.1 - Trapezium
Ex 3.4.2 - Kite
Ex 3.4.3 - Parallelogram
Ex 3.4.4 - Elements of a parallelogram
Ex 3.4.5 - Angles of a parallelogram
Ex 3.4.6 - Diagonals of a parallelogram
Ex 3.5 - Some Special Parallelograms
Ex 3.5.1 - Rhombus
Ex 3.5.2 - A rectangle
Ex 3.5.3 - A square
We cover all exercises in the chapter given below:-
EXERCISE 3.1 - 7 Questions with Solutions
EXERCISE 3.2 - 6 Questions with Solutions
EXERCISE 3.3 - 12 Questions with Solutions
EXERCISE 3.4 - 6 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Understanding Quadrilaterals. You can also download the free PDF of Chapter 3 Understanding Quadrilaterals and take the print out to keep it handy for your exam preparation.