Free Test Lines and Angles – General...

Q1: If two angles are supplementary and one is 3 times the other, then the angles are:

A. 45°, 135° B. 60°, 120° C. 30°, 150° D. 40°, 140°

Q2: What is the value of the angle vertically opposite to a 70° angle?

A. 70° B. 110° C. 90° D. 100°

Q3: Two angles of a triangle are 60° and 50°. What is the third angle?

A. 60° B. 50° C. 70° D. 80°

Q4: A straight angle is equal to:

A. 90° B. 180° C. 360° D. 270°

Q5: If two parallel lines are cut by a transversal, then alternate interior angles are:

A. Complementary B. Congruent C. Supplementary D. None

Q6: An angle greater than 90° but less than 180° is called:

A. Right angle B. Acute angle C. Obtuse angle D. Reflex angle

Q7: The sum of interior angles of a quadrilateral is:

A. 180° B. 360° C. 270° D. 540°

Q8: Two complementary angles differ by 20°. Find the angles.

A. 35°, 55° B. 40°, 50° C. 30°, 60° D. 45°, 45°

Q9: If the sum of two adjacent angles is 180°, then they are:

A. Complementary B. Vertically opposite C. Linear pair D. None

Q10: Which of the following angles is a right angle?

A. 45° B. 60° C. 90° D. 180°

Q11: An angle which is equal to its supplement is:

A. 90° B. 60° C. 45° D. 100°

Q12: The supplement of a 130° angle is:

A. 50° B. 60° C. 70° D. 40°

Q13: The complement of a 65° angle is:

A. 25° B. 35° C. 15° D. 30°

Q14: If two angles are equal and supplementary, each is:

A. 90° B. 60° C. 45° D. 100°

Q15: Angles of a triangle are in the ratio 2:3:4. The largest angle is:

A. 40° B. 60° C. 80° D. 100°

Q16: The angle between the hour and minute hand at 3:00 is:

A. 90° B. 75° C. 60° D. 45°

Q17: What is a reflex angle?

A. Less than 90° B. Between 90° and 180° C. Exactly 180° D. More than 180°

Q18: In a parallelogram, opposite angles are:

A. Complementary B. Equal C. Supplementary D. Right angles

Q19: A transversal intersects two lines such that alternate interior angles are equal. Then the lines are:

A. Parallel B. Perpendicular C. Intersecting D. Skew

Q20: If the exterior angle of a triangle is 120° and one of the opposite interior angles is 50°, the other is:

A. 70° B. 60° C. 80° D. 90°

Quiz for Lines and Angles