# 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

Book: National Council of Educational Research and Training (NCERT) Central Board of Secondary Education (CBSE) 9th Maths 6 Lines and Angles 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 exerciseTwo parallel lines intersect at: A. One point B. Two points C. Three points D. Null
Ans: Null
 Q2. ncert maths class 9 chapter 6 examplesThe 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 englishIn ?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 pdfIn figure the value of x is A. 120° B. 130° C. 110° D. 100°
Ans: 130°

 Q5. ncert maths class 9 solutionsAn 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 textbookIn ?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 downloadIn 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 bookIn the given figure, the measure of ?ABC is A. 80° B. 20° C. 100° D. 60°
Ans: 80°

 Q9. cbse maths class 9 chapter 6Which 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 exerciseTwo 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 paperIf 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 solutionsThe 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 syllabusIf 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 pdfEach angle of an equilateral triangle is A. 50° B. 90° C. 54° D. 60°
Ans: 60°
 Q15. class 9 cbse maths bookThe 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 solutionsIn figure l1 || l2, the value of x is A. 80° B. 100° C. 110° D. 70°
Ans: 80°

 Q17. class 9 cbse maths chapter 6If 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 paperOne 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 paperAn 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°
Ans: 52 $$\frac{1°}{2}$$

 Q20. class 9 cbse maths solutionsIn Figure measure of ?ABC is A. 60° B. 70° C. 80° D. 50°
Ans: 60°