Lines and Angles MCQ Questions for Class 9 Math’s Chapter 6 with Answers

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Q1. If two lines intersect each other, then the vertically opposite angles are:

(A) Equal
(B) Unequal
(C) Cannot be determined
(D) None of the above

(A) 46°
(B) 83°
(C) 93°
(D) 73°

Q3. If a transversal intersects two parallel lines, then the consecutive interior angles are

(A) equal
(B) congruent
(C) supplementary
(D) complementary

(A) One point
(B) Two points
(C) Three points
(D) Null

(A) 46°
(B) 83°
(C) 93°
(D) 73°

(A) 30°, 90°
(B) 40°, 120°
(C) 20°, 60°
(D) 30°, 60°

Q7. Two parallel lines have:

(A) A common point
(B) Two common points
(C) No common point
(D) Infinite common points

Q8. An acute angle is:

(A) More than 90 degrees
(B) Less than 90 degrees
(C) Equal to 90 degrees
(D) Equal to 180 degrees

(A) 72°
(B) 108°
(C) 54°
(D) 36°

Q10. An angle is 14° more than its complementary angle, then angle is :

(A) 38°
(B) 52°
(C) 50°
(D) None of these

Q11. If one angle of triangle is equal to the sum of the other two angles then triangle is :

(A) Acute triangle
(B) Obtuse triangle
(C) Right triangle
(D) None of these

Q12. If one angle of triangle is equal to the sum of the other two angles then triangle is :

(A) Acute triangle
(B) Obtuse triangle
(C) Right triangle
(D) None of these

(A) 50°
(B) 90°
(C) 54°
(D) 60°

Q14. If two lines intersect each other, then the vertically opposite angles are:

(A) Equal
(B) Unequal
(C) Cannot be determined
(D) None of the above

Q15. X lies in the interior of ∠BAC. If ∠BAC = 70° and ∠BAX = 42° then ∠XAC =?

(A) 28°
(B) 29°
(C) 27°
(D) 30°

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