# 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.

(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

(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°

(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

(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

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

(iv)8

(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

(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

(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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