Angles Quiz

1. Two adjacent angles form a straight line. The smaller angle is x and the larger is 3x. How large is the larger angle?

2. An isosceles triangle has a vertex angle of 40°. The other two angles are equal. What is the measure of each equal angle?

3. Two straight lines intersect. One of the angles at the intersection is 68°. What is the vertically opposite angle?

4. Two parallel lines are cut by a transversal. An interior angle on the left side of the transversal at the upper intersection is 74°. What is the interior angle on the same side at the lower intersection?

5. A regular hexagon has six equal interior angles. What is the measure of each interior angle?

6. An angle of 143° and a second angle form a straight line. What is the second angle?

7. Two parallel lines are crossed by a transversal. An angle at the first intersection measures 112°. What is the corresponding angle at the second intersection?

8. Three interior angles of a quadrilateral measure 92°, 88°, and 101°. What is the fourth interior angle?

9. At 3:30, the minute hand points at 6 while the hour hand is halfway between 3 and 4. What is the smaller angle between the hands?

10. A triangle has interior angles of 48° and 67°. What is the third interior angle?

11. An angle measures 225°. What type of angle is it?

12. Two angles are complementary. If one measures 32°, what is the other angle?

13. Two rays meet to form exactly one-quarter of a full turn. What is the angle between them?

14. How is an angle measuring 37° classified?

15. You are facing north and rotate 135° clockwise. Which direction are you now facing?

16. Which classification applies to an angle measuring 125°?