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

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All questions answers in the last paragraph

MCQ Questions for Class 9 Mathematics with Answers

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

Q2. In a triangle ABC if ∠A = 53° and ∠C = 44° then the value of ∠B is:

(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

Q4. Two parallel lines intersect at:

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

Q5. In a triangle ABC if ∠A = 53° and ∠C = 44° then the value of ∠B is:

(A) 46°
(B) 83°
(C) 93°
(D) 73°

Q6. 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°

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

Q9. 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.

(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

Q13. Each angle of an equilateral triangle is

(A) 50°
(B) 90°
(C) 54°
(D) 60°

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