Subject specialists have designed NCERT solutions for Maths Class 8 Chapter 3 which includes thorough solutions for reference. These solutions are updated according to the latest CBSE syllabus for 2012-22 and are provided in easy language for understanding. Tips and tricks are also provided.
These solutions are provided so a student can clear his doubts and get help with deep understanding of the concept. Also you can refer them to make the chapter notes and revisions notes. PDF of this can also be downloaded from website.
NCERT Solutions for Class 8 Maths Chapter 3- Understanding Quadrilaterals
The major concepts included in this chapter are: 3.1 Introduction 3.2 Polygons 3.2.1 Classification of Polygons 3.2.2 Diagonals 3.2.3 Convex and Concave Polygons 3.2.4 Regular and Irregular Polygons 3.2.5 Angle sum property 3.3 Sum of the Measures of the Exterior Angles of a Polygon 3.4 Kinds of Quadrilaterals 3.4.1 Trapezium 3.4.2 Kite 3.4.3 Parallelogram 3.4.4 Elements of a parallelogram 3.4.5 Angles of parallelogram 3.4.6 Diagonals of a parallelogram 3.5 Some special parallelograms 3.5.1 Rhombus 3.5.2 A rectangle 3.5.3 A square
7 Questions (1 Long Answer Questions, 6 Short Answer Questions)
6 Questions (6 Short Answer Questions)
12 Questions (6 Long Answer Questions, 6 Short Answer Questions)
6 Questions (1 Long Answer Questions, 5 Short Answer Questions)
NCERT Solutions for Class 8 Maths Chapter 3- Understanding Quadrilaterals
These NCERT Solutions of Class 8 Maths make you understand the fundamental concepts related to quadrilaterals. Beginning from explanation of quadrilaterals to different types of quadrilaterals, the chapter generally discuss the following topics:
1. Parallelogram: A quadrilateral with each pair of opposite sides parallel.
Properties: Opposite sides are equal. Opposite angles are equal. Diagonals bisect one another
2. Rhombus: A parallelogram with sides of equal length.
Properties: All the properties of a parallelogram. Diagonals are perpendicular to each other
3. Rectangle: A parallelogram with a right angle.
Properties: All the properties of a parallelogram. Each of the angles is a right angle. Diagonals are equal.
4. Square: A rectangle with sides of equal length.
Properties: All the properties of a parallelogram, rhombus and a rectangle.
5. Kite: A quadrilateral with exactly two pairs of equal consecutive sides
Properties: The diagonals are perpendicular to one another One of the diagonals bisects the other. Learning the chapter Understanding Quadrilaterals enables the students to:
- Understand the:
- Properties of quadrilaterals: Sum of angles of a quadrilateral is equal to 360o
- Properties of parallelogram: Opposite sides of a parallelogram are equal, opposite angles of a parallelogram are equal.
- Diagonals of a parallelogram bisect each other.
- Diagonals of a rectangle are equal and bisect each other.
- Diagonals of a rhombus bisect each other at right angles.
- Diagonals of a square are equal and bisect each other at right angles.
Frequently Asked Questions on NCERT Solutions of this Chapter
What kind of questions are present in these NCERT Solutions?
Exercise provided in this chapter are
1. Exercise 3.1 with 7 Questions having 1 Long Answer Questions, 6 Short Answer Questions
2. Exercise 3.2 with 6 Questions having 6 Short Answer Questions
3. Exercise 3.3 with 12 Questions having 6 Long Answer Questions, 6 Short Answer Questions
4. Exercise 3.4 with 6 Questions having 1 Long Answer Questions, 5 Short Answer Questions
What is the meaning of quadrilaterals according to these NCERT Solutions?
According to these NCERT Solutions a quadrilateral is a plane figure that has four sides or edges, and also includes four corners or vertices. Quadrilaterals are of standard shapes with four sides like rectangle, square, trapezoid, and kite or irregular and uncharacterized shapes.
What are the main topics covered in these NCERT Solutions?
The major concepts included in this chapter are: 3.1 Introduction 3.2 Polygons 3.2.1 Classification of Polygons 3.2.2 Diagonals 3.2.3 Convex and Concave Polygons 3.2.4 Regular and Irregular Polygons 3.2.5 Angle sum property 3.3 Sum of the Measures of the Exterior Angles of a Polygon 3.4 Kinds of Quadrilaterals 3.4.1 Trapezium 3.4.2 Kite 3.4.3 Parallelogram 3.4.4 Elements of a parallelogram 3.4.5 Angles of parallelogram 3.4.6 Diagonals of a parallelogram 3.5 Some special parallelograms 3.5.1 Rhombus 3.5.2 A rectangle 3.5.3 A square.
