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

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 9 Mathematics book Chapter 6 Lines and Angles with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam, Taking the help of the Class 9 Mathematics Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Lines and Angles. Each Questions has four options followed by the right answer. Download the Mathematics Quiz Questions with Answers for Class 9 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 9 Mathematics with Answers

Q1. In a triangle ABC if ∠A = 53° and ∠C = 44° then the value of ∠B is:

(i) 46°
(ii) 83°
(iii) 93°
(iv) 73°

(ii) 83°

Q2. Two parallel lines intersect at:

(i)One point
(ii)Two points
(iii)Three points
(iv)Null

(iv)Null

Q3. 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

(i) 30°, 90°
(ii) 40°, 120°
(iii) 20°, 60°
(iv) 30°, 60°

(iii) 20°, 60°

Q4. An acute angle is:

(i) More than 90 degrees
(ii) Less than 90 degrees
(iii) Equal to 90 degrees
(iv) Equal to 180 degrees

(ii)Less than 90 degrees

Q5. An angle is 14° more than its complementary angle, then angle is :

(i) 38°
(ii) 52°
(iii) 50°
(iv) None of these

(ii) 52°

Q6. If one angle of triangle is equal to the sum of the other two angles then triangle is :

(i) Acute triangle
(ii) Obtuse triangle
(iii) Right triangle
(iv) None of these

(iii) Right triangle

Q7. If two lines intersect each other, then the vertically opposite angles are:

(i)Equal
(ii)Unequal
(iii)Cannot be determined
(iv)None of the above

(i)Equal

Q8. The angle of a triangle are in the ratio 5 : 3 : 7, the triangle is

(а) an acute-angled triangle
(ii) an obtuse angled triangle
(iii) an right angled triangle
(iv) an isosceles triangle.

(а) an acute-angled triangle

Q9. X lies in the interior of ∠BAC. If ∠BAC = 70° and ∠BAX = 42° then ∠XAC =?

(i) 28°
(ii) 29°
(iii) 27°
(iv) 30°

(i) 28°

Q10. Given four points such that no three of them are collinear, then the number of lines that can be drawn through them are:

(i) 4 lines
(ii) 8 lines
(iii) 6 lines
(iv) 2 lines

(iii) 6 lines

Q11. If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent.

(i) Equal
(ii) Complementary
(iii) Supplementary
(iv) corresponding

(iv) corresponding

Q12. An acute angle is:

(i)More than 90 degrees
(ii)Less than 90 degrees
(iii)Equal to 90 degrees
(iv)Equal to 180 degrees

(ii)Less than 90 degrees

Q13. 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

(i) 80°
(ii) 75°
(iii) 70°
(iv) 135°

(iii) 70°

Q14. Sum of the measure of an angle and its vertically opposite angle is always.

(i) Zero
(ii) Thrice the measure of the original angle
(iii) Double the measure of the original angle
(iv) Equal to the measure of the original angle

(iii) Double the measure of the original angle

Q15. Two lines are parallel to each other, only when

(i) They do not intersect each other when extended on either side
(ii) The lines lie on the same plane
(iii) They are parallel to the plane in which they lie
(iv) Their point of intersection is a unique point

(i) They do not intersect each other when extended on either side

Q16. The angles of a triangle are in the ratio 2 : 3 : 4. The angles, in order, are :​

(i) 80°, 40°, 60°
(ii) 20°, 60°, 80°
(iii) 40°, 60°, 80°
(iv) 60°, 40°, 80°

(iii) 40°, 60°, 80

Q17. If AB = x + 3, BC = 2x and AC = 4x – 5, then for what value of ‘x’, B lies on AC?

(i)2
(ii)3
(iii)5
(iv)8

(iv)8

Q18. Each angle of an equilateral triangle is

(i) 50°
(ii) 90°
(iii) 54°
(iv) 60°

(iv) 60°

Q19. If one angle of triangle is equal to the sum of the other two angles then triangle is :

(i) Acute triangle
(ii) Obtuse triangle
(iii) Right triangle
(iv) None of these

(iii) Right triangle

Q20. If two interior angles on the same side of a transversal intersecting two parallel lines in the ratio 2:3 ,then find the larger of two angles.

(i) 72°
(ii) 108°
(iii) 54°
(iv) 36°

(ii) 108°

Q21. Two parallel lines have:

(i) A common point
(ii) Two common points
(iii) No common point
(iv) Infinite common points

(iii) No common point

Q22. In a triangle ABC if ∠A = 53° and ∠C = 44° then the value of ∠B is:

(i) 46°
(ii) 83°
(iii) 93°
(iv) 73°

(ii) 83°

Q23. If a transversal intersects two parallel lines, then the consecutive interior angles are

(i) equal
(ii) congruent
(iii) supplementary
(iv) complementary

(iii) supplementary

Q24. If two lines intersect each other, then the vertically opposite angles are:

(i) Equal
(ii) Unequal
(iii) Cannot be determined
(iv) None of the above

(i) Equal

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