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NCERT Solutions for Class 9 Maths Exercise Chapter 1- number systems
Kindly give Chapter 6 Lines and Angles Class 9 Maths MCQs Questions with Answers quickly as it is very essential. Please log in or register to answer this question. 1 Answer.� These Class 9 MCQ Questions with answers will widen your skills and understand concepts in a better manner. MCQ Questions for Class 9 Maths Chapter 6 Lines and Angles with answers. 1. The supplementary angles are in the ratio find the angles. (a) ?, 35?. MCQs from CBSE Class 9 Maths Chapter 6: Lines and Angles. 1. Intersecting lines cut each other at: a) One point b) Two points c) Three points d) Null. Answer/Explanation. Answer: (a) Explanation: Two lines always intersect each other at one point. 2. Two parallel lines intersect at: a) One point b) Two points c) Three points d) Null. Answer/Explanation. Answer: (d) Explanation: If two lines are parallel to each other, they don�t intersect each other. They meet each other at infinity. 3. If AB || CD, EF ? CD and ?GED = � as per the figure given below. Class 9 Maths Lines and Angles Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks.� Ex Class 9 Maths Question 6. It is given that ?XYZ = 64� and XY is produced to point P. Draw a figure from the given information. If ray YQ bisects ?ZYP, find ?XYQ and reflex ?QYP. Solution: XYP is a straight line. ? ?XYZ + ?ZYQ + ?QYP = � ? 64� + ?ZYQ + ?QYP = � [? ?XYZ = 64� (given)] ? 64� + 2?QYP = � [YQ bisects ?ZYP so, ?QYP = ?ZYQ] ? 2?QYP = � � 64� = � ? ?QYP = $$\frac { { }^{ \circ }. }{ 2 }$$ = 58� ? Reflex ?QYP = � � 58� = � Since ?XYQ = ?XYZ + ?ZYQ ? ?XYQ = 64� + ?QYP [??XYZ = 64�(Given) and ?ZYQ = ?QYP] ? ?XYQ = 64� + 58� = � [?QYP = 58�] Thus, ?XYQ.

All the question answers are updated for academic year A platform to share your knowledge. Intersecting lines: Two lines are said to be intersecting, if they intersect each other at one point. Transversal lines: Class 9 Maths Chapter 12 Question Answer Guide It is a straight line which cuts two or more straight lines at distinct point. Complementary angles: Two angles are said to be complementary, if the sum of their measure is Supplementary angles: Two angles are said to be supplementary, if the sum of their measure is Adjacent angles: Two angles are called adjacent angles, if they have a common vertex and common arm.

Vertically opposite angles: Two angles are said to be a pair of vertically opposite angles, if their arms from two pairs of opposite rays. Chapter 6 of 9th Mathematics includes the concepts of Lines and Angles.

It is the first chapter in Geometry in class 9 Maths, which takes time to understand the concepts. Study Material for Class 9 Maths. Class 9 Maths Exercise 6. What are Intersecting lines? What is meant by Parallel lines? Parallel lines: Lines in the same plane which do not intersect when produced on either side. What do you know about Transversal lines? What is an Acute angle? Acute angle: An angle whose measure is less than 90 but more than 0.

What do you understand by an Obtuse angle? Obtuse angle: An angle whose measure is more than 90 but less than What is a Right angle? Right angle: An angle whose measure is What is the measure of a Straight angle?

Straight angle: The measure of a straight angle is What is Reflex angl? Reflex angle: An angle whose measure is more than but less than Which angle is called Complete angle?

Complete angle: An angle whose measure is What are Complementary angles? What are Supplementary angles? What are Adjacent angles?

What do you know about Vertically opposite angles? Important Notes on 9th Maths Chapter 6 If a transversal intersects two parallel lines, then Each of the alternate interior angles is equal. Converse is also true. Each pair of interior angles on the same side of the transversal is supplementary. Each pair of corresponding angles is equal. Important Questions on 9th Maths Chapter 6 What is a line-segment?

A part or portion of a line with two end points is called a line-segment. What is a ray? A part of a line with one end point is called a ray. What do you mean by collinear points or non-collinear points? If three or more points lie on the same line, they are called collinear points; otherwise they are called non-collinear points.

What are the different types of angle? What happens If a transversal intersects two parallel lines? What is the sum of the three angles of a triangle? Triangles �.

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