Chapter 6 - Lines and Angles, NCERT Grade 9 Maths CBSE belongs to the Unit IV Geometry. The solutions given to the questions for the in between exercises and exercises given at the end of the chapter are prepared by our subject matter experts in a simple and precise manner. The topics given under the head of Introduction explains about the properties of the angles formed when two lines intersect each other, and also the properties of the angles formed when a line intersects two or more parallel lines at distinct points.
The topic Basic Terms and Definitions explains various terms such as line segments, collinear points, arms, vertex, adjacent angles, etc. The topics such as Intersecting Lines and Non-intersecting Lines, Pairs of Angles, Parallel Lines and a Transversal Line Parallel to the same Line further explain the concept of lines and angles with the help of axioms, theorems, and solved examples. These solved examples are accompanied with figures from the viewpoint of better explanation. The solutions to the questions for in between exercises will help the students to understand the concept better.
Wonderful explanation of the topic Angle Sum Property of a Triangle will be learnt in this chapter with the help of solved numerical problems. Solutions given for the revision questions given under the heads of different activities and in between exercises further help in reinforcing the concept to the learner and will help them in scoring well in the exams. The Summary given at the end of the chapter will help in further revision of the concept learnt. This chapter is a part of Unit IV Geometry of NCERT Grade 9 Maths CBSE and holds a weightage of 28 marks in the final examination.
Get 100 percent accurate NCERT Solutions for Class 9 Maths Chapter 6 (Lines and Angles) solved by expert Maths teachers. We provide step by step solutions for questions given in class 9 maths text-book as per CBSE Board guidelines from the latest NCERT book for class 9 maths. The topics and sub-topics in Chapter 6 Lines and Angles are given below
Ex 6.1 - Introduction
Ex 6.2 - Basic Terms and Definitions
Ex 6.3 - Intersecting Lines and Non-intersecting Lines
Ex 6.4 - Pairs of Angles
Ex 6.5 - Parallel Lines and a Transversal
Ex 6.6 - Lines Parallel to the Same Line
Ex 6.7 - Angle Sum Property of a Triangle
Ex 6.8 - Summary
We cover all exercises in the chapter given below:-
EXERCISE 6.1 - 6 Questions with Solutions in PDF
EXERCISE 6.2 - 6 Questions with Solutions in PDF
EXERCISE 6.3 - 6 Questions with Solutions in PDF
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Lines and Angles. You can also download the free PDF of Chapter 6 Lines and Angles and take the print out to keep it handy for your exam preparation.