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NCERT Solutions for Class 9 Maths Chapter 6 Lines and Angles

NCERT Solutions for Class 9 Maths Chapter 6 Lines and Angles - Free PDF

NCERT Solutions for Class 9 Maths Chapter 6, provided by us are comprehensive and available in free PDF format. Our solutions for CBSE NCERT books for Class 9 Maths contains all the answers as per the syllabus. Students can develop a well-rounded idea of Lines and Angles Class 9 with our study material. Our NCERT Solutions for Class 9 Maths Ch 6 help students develop their problem-solving skills. Vedantu provides students with a Free PDF download option for all the NCERT Solutions of updated CBSE textbooks. Subjects like Science, Maths, Engish will become easy to study if you have access to NCERT Solution for Class 9 Science, Maths solutions, and solutions of other subjects that are available on Vedantu only.

NCERT Solutions for Class 9 Maths Chapter 6 Lines and Angles part-1
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FAQ (Frequently Asked Questions)

Q1: Why is it important to study NCERT Solutions for Class 9 Maths Chapter 6 – Lines And Angles.

A1: Maths paper precisely consists of Arithmetic, Algebra and /geometry. The Class  9 Maths paper is conducted for 80 marks. The geometry part consists of a total of 22 marks in the paper. It means it consists of 27% of the weightage of the total marks. This part includes concepts like Introduction to Euclid’s Geometry, Lines and Angles, Triangles, Quadrilaterals, Areas, Circles, Constructions. Also, as lines and angles form the basis of most of the chapters that come under geometry it is advised that students do not skip this chapter.

Q2: What are the important aspects that students learn in NCERT Class 9 Maths Chapter 6 – Lines And Angles?

A2: The following points will be understood by the students once they finish studying the NCERT Class 9 Maths Chapter 6 – Lines And Angles:

  • Basic terms and definitions related to - line segment, ray, collinear points, non-collinear points, intersecting and non intersecting lines,

  • All Pair of angles - the reflex angle, complementary angle, supplementary angle, adjacent angles, vertical opposite angle, linear pair of angles. 

  • Parallel and Transversal Lines and theorems related to the same.

  • Angle sum property of a triangle.

Q3: What are the various important terms and angels in the chapter that the students must know?

A3: The following are the important terms in the chapter lines and angles 

  • Line-segment - A part or portion of a line with two endpoints is called a line-segment.

  • Ray - A part of a line with one endpoint is called a ray.

  • collinear points - Three or more points lying on the same line are called collinear points

  • non-collinear points - Three or more points not on the same line are called non-linear points.

  • Acute angle - Angle measures between 0° and 90°

  • Right angle - Angle exactly equal to 90°. 

  • Obtuse Angle - Angle greater than 90° but less than 180°.

  • Reflex Angle - Angle which is greater than 180° but less than 360°. 

  • Complementary angles - Two angles whose sum is 90° 

  • Supplementary angles - Two angles whose sum is 180°.

Q4: What all do students learn in the Class 9 Maths Chapter 6 – Lines And Angles?

A4: The Class 9 Maths Chapter 6 – Lines And Angles help you learn various concepts regarding, angles, lines and other properties of the same. 

  • when two lines intersect each other and

  • when a line intersects two or more parallel lines at distinct points.

The above two concepts are the most important points in this chapter. These concepts form the basis of higher classes geometry. Therefore students must ensure that they do not miss out on these concepts as they are easy to learn, remember and score.

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