NCERT Exemplar Class 9 Maths Chapter 6: Lines and Angles. NCERT Exemplar Solutions for Class 9 Maths Chapter 6 Lines and Angles prepare students for their Class 9 exams thoroughly.
Maths problems and solutions for the Class 9 pdf are provided here which are similar to the questions being asked in the previous year’s board.
NCERT Exemplar Class 9 Maths Chapter 6: Lines and Angles
Class 9: Maths Chapter 6 solutions. Complete Class 9 Maths Chapter 6 Notes.
Main Concepts and Results
Complementary angles, Supplementary angles, Adjacent angles, Linear pair, Vertically opposite angles.
- If a ray stands on a line, then the adjacent angles so formed are supplementary and its converse,
- If two lines intersect, then vertically opposite angles are equal,
- If a transversal intersects two parallel lines, then
(i) corresponding angles are equal and conversely,
(ii) alternate interior angles are equal and conversely,
(iii) interior angles on the same side of the transversal are supplementary and conversely, - Lines parallel to the same line are parallel to each other,
- Sum of the angles of a triangle is 180°,
- An exterior angle of a triangle is equal to the sum of the corresponding two interior opposite angles.
Multiple Choice Questions (Solved Examples)
Multiple Choice Question
Short Answer Questions with Reasoning
Short Answer Type Questions
Long Answer Type Questions
Answers
Multiple Choice Questions (Exercise)
Short Answer Questions with Reasoning (Exercise)
