MCQ Questions | Class 9 Maths Chapter 6 | Lines and Angles with Answers

MCQ | Lines and Angles Class 9

Check the below NCERT MCQ Questions for Class 9 Maths Chapter 6 Lines and Angles with Answers Pdf free download. MCQ Questions for Class 9 Maths with Answers were prepared based on the latest exam pattern. We have Provided Lines and Angles Class 9 Maths MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Maths Class 9

NCERT Solutions Class 9 Maths
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	9th
Subject:	Maths
Chapter:	6
Chapters Name:	Lines and Angles
Medium:	English

Ncert Solutions for Class 9 Maths | Objective Type Questions

You can refer to NCERT Solutions for Class 9 Maths Chapter 6 Lines and Angles to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Lines and Angles | Class 9 Maths | NCERT Solutions

Q1.	ncert maths class 9 chapter 6 exercise Two parallel lines intersect at:
	A. One point
	B. Two points
	C. Three points
	D. Null

Ans: Null

Q2.	ncert maths class 9 chapter 6 examples The angle between the bisectors of two adjacent supplementary angles is :
	A. Acute angle
	B. Right angle
	C. Obtuse angle
	D. None of these

Ans: Right angle

Q3.	ncert maths class 9 exercise in english In ?ABC, ?A = 50° and the external bisectors of ?B and ?C meet at O as shown in figure. The measure of ?BOC is
	A. 40°
	B. 65°
	C. 115°
	D. 140°

Ans: 65°

Q4.	ncert maths class 9 pdf In figure the value of x is
	A. 120°
	B. 130°
	C. 110°
	D. 100°

Ans: 130°

Q5.	ncert maths class 9 solutions An exterior angle of a triangle is 80° and the interior opposite angles are in the ratio 1 : 3, measure of interior opposite angles are
	A. 30°, 90°
	B. 40°, 120°
	C. 20°, 60°
	D. 30°, 60°

Ans: 20°, 60°

Q6.	ncert maths class 9 textbook In ?ABC, the bisectors of ?ABC and ?BCA intersect each other at O. The measure of ?BOC is
	A. 90° + ?A
	B. 90° + \(\frac{?A}{2}\)
	C. 180 – ?A
	D. 90° – \(\frac{?A}{2}\)

Ans: 90° + \(\frac{?A}{2}\)

Q7.	ncert maths class 9 textbook pdf download In figure if ?A + ?B + ?C + ?D + ?E + ?F = k right angles, then find value of k.
	A. 2
	B. 3
	C. 4
	D. 5

Ans: 4

Q8.	cbse maths class 9 book In the given figure, the measure of ?ABC is
	A. 80°
	B. 20°
	C. 100°
	D. 60°

Ans: 80°

Q9.	cbse maths class 9 chapter 6 Which of the following statements is false?
	A. A line can be produced to any desired length
	B. Through a given point, only one straight line can be drawn
	C. Through two given points, it is possible to draw one and only one straight line
	D. Two straight lines can intersect in only one point

Ans: Through a given point, only one straight line can be drawn

Q10.	cbse maths class 9 exercise Two parallel lines have:
	A. A common point
	B. Two common points
	C. No common point
	D. Infinite common points

Ans: No common point

Q11.	cbse maths class 9 sample paper If a side of a triangle is produced, then the exterior angle so formed is equal to the sum of the ____________ interior opposite angles.
	A. Two
	B. Four
	C. One
	D. Three

Ans: Two

Q12.	cbse maths class 9 solutions The angle of a triangle are in the ratio 5 : 3 : 7, the triangle is
	A. an acute-angled triangle
	B. an obtuse angled triangle
	C. an right angled triangle
	D. an isosceles triangle

Ans: an acute-angled triangle

Q13.	cbse maths class 9 syllabus If one angle of triangle is equal to the sum of the other two, then the triangle is
	A. an isosceles triangle
	B. an obtuse-angled triangle
	C. an equilateral triangle
	D. a right triangle

Ans: a right triangle

Q14.	cbse maths class 9 textbook pdf Each angle of an equilateral triangle is
	A. 50°
	B. 90°
	C. 54°
	D. 60°

Ans: 60°

Q15.	class 9 cbse maths book The angle of a triangle are in the ratio 5 : 3 : 7, the triangle is
	A. an acute-angled triangle
	B. an obtuse angled triangle
	C. an right angled triangle
	D. an isosceles triangle.

Ans: an acute-angled triangle

Q16.	class 9 cbse maths chapter 6 solutions In figure l₁ \|\| l₂, the value of x is
	A. 80°
	B. 100°
	C. 110°
	D. 70°

Ans: 80°

Q17.	class 9 cbse maths chapter 6 If one angle of triangle is equal to the sum of the other two, then the triangle is
	A. an isosceles triangle
	B. an obtuse-angled triangle
	C. an equilateral triangle
	D. a right triangle

Ans: a right triangle

Q18.	class 9 cbse maths paper One of the angles of a triangle is 75°. If the difference of other two is 35°, then the largest angle of other two angles has a measure
	A. 80°
	B. 75°
	C. 70°
	D. 135°

Ans: 70°

Q19.	class 9 cbse maths sample paper An exterior angle of a triangle is 105° and its two interior opposite angles are equal. Each of these equal angles is
	A. 37 \(\frac{1°}{2}\)
	B. 52 \(\frac{1°}{2}\)
	C. 72 \(\frac{1°}{2}\)
	D. 75°