NCERT Solutions for Class 9 Maths Chapter 6 - Lines And Angles Exercise 6.2

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NCERT Solutions for Class 9 Maths Chapter 6 Lines and Angles (Ex 6.2) Exercise 6.2

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Free PDF download of NCERT Solutions for Class 9 Maths Chapter 6 Exercise 6.2 (Ex 6.2) and all chapter exercises at one place prepared by expert teacher as per NCERT (CBSE) books guidelines. Class 9 Maths Chapter 6 Lines and Angles Exercise 6.2 Questions with Solutions to help you to revise complete Syllabus and Score More marks. Register and get all exercise NCERT Book Solutions in your emails. Download NCERT maths class 9 at Vedantu.  Students can also avail of Class 9 Science from our website.

Chapter 6-Lines and Angles part-1
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FAQ (Frequently Asked Questions)

Q 1: Give an overview of the chapter Lines and angles.

Ans: Here, you will come across definitions and basic terms related to a line segment, collinear points, intersecting lines, ray, non collinear points and non intersecting lines. You shall also know about various pairs of angles such as linear pair of angles, the reflex angle, vertical opposite angle, complementary angle, adjacent angle and supplementary angles.


The chapter also gives you an idea of transversal and parallel lines with the help of the theorems to support over it. Here, the chapter also focuses upon of angle sum property of a triangle.

Q 2: What is the chapter mainly focused on?

Ans: The chapter mainly deals with: 

  • Points

  • Line segments

  • Ray

  • Collinear points

  • Non collinear points, 

  • Intersecting lines

  • Concurrent lines

  • Plane

  • Right angle

  • Acute angle

  • Obtuse angle

  • Straight angle

  • Reflex angle

  • Complete angle 

  • Equal angle

  • Vertically opposite angle

  • Bisector of an angle

  • Parallel lines

  • Adjacent angles

  • Linear pair of angles

  • Transversal of the lines

  • The angles that a transversal forms

  • interior angles that stay on the same side of the transversal

  • corresponding angles

  • Consecutive interior angles

  • Alternate interior angles

  • Scalene triangle

  • Isosceles triangle

  • Equilateral triangle

  • Acute triangle 

  • Right triangle

  • Obtuse triangle

  • Regular polygon

  • Supplementary angles

  • Complementary angles

  • Parallel lines theorems

  • Converse of theorems

  • Triangle theorems

Q 3: What is a parallelogram triangle?

Ans: Inverse sides of a parallelogram are always parallel (by definition) and because of which they will never intersect. The area of a parallelogram is twice the area of a triangle designed by one of its diagonal sides. The area of a parallelogram is also considered to be equal to the magnitude of the vector across the product of two adjoining sides.

  • Rhomboid – It is a quadrilateral whose opposite sides are adjacent and parallel sides are dissimilar, and whose angles are not always right angles.

  • Rectangle – It is a parallelogram along with four angles of equal size (i.e., right angles).

  • Rhombus – It is a parallelogram which consists of four sides with equal lengths.

  • Square – It is a parallelogram with four sides of same and equal length and angles of identical and equal size (right angles).

Q 4: Why is Vedantu an ideal study partner?

Ans: Vedantu is one of the most preferred education platforms. We strive to maintain quality while also improving the ease and comprehensibility of our solutions. Our main aim is to improve the way students learn and study and make themselves more independent in their educational pursuits. Our study guides, notes and materials do not cover only the concepts but also provide solutions to all the exercises which are available at the end of each chapter. These questions are solved with a detailed explanation along with supporting diagrams and examples. Our experienced science teachers have drafted all the solutions in a proper format to create a strong conceptual foundation for higher classes of the student.