5 Written Questions

1. two pairs of opposite angles that form when two lines intersect
2. two angles whose sum is 180 degrees
3. a common endpoint for two rays or sides
4. part of a line that has one endpoint and extends to infinity in the other direction
5. angles with the same measurement

5 Multiple Choice Questions

1. a tool used to measure angles
   1. protractor
   2. vertex
   3. degree
   4. ray
2. two angles whose sum is 90 degrees
   1. vertical angles
   2. complementary angles
   3. congruent angles
   4. supplementary angles
3. an angle measuring less than 90 degrees
   1. reflex angle
   2. acute angle
   3. right angle
   4. obtuse angle
4. unit of measurement for angles
   1. degree
   2. ray
   3. angle
   4. vertex
5. an angle greater than 180 degrees
   1. right angle
   2. obtuse angle
   3. reflex angle
   4. acute angle

4 True/False Question

1. obtuse angle → an angle measuring less than 90 degrees
   

   True        False

2. angle → two rays that share a common endpoint
   

   True        False

3. right angle → a 90 degree angle
   

   True        False

4. straight angle → an angle measuring exactly 180 degrees
   

   True        False