Geometry Vocab!

1. a ______ is part of a line that has two endpoints
3. ______ means "equal in size and shape"
9. an ______ angle is an angle with a measure between 90 and 180 degrees
11. ______ angles share a vertex and an interior side
14. two lines that are ______ have the same slope and never intersect
18. An angle's measure is twenty degrees. What is the measure of the complement, in degrees?
19. The measures of complementary angles add up to ______ degrees
20. An angle's measure is sixty degrees. What is the measure of the complement, in degrees?

2. An angle's measure is one hundred degrees. What is the measure of the supplement, in degrees?
4. a ______ angle is an angle that measures exactly 90 degrees
5. an example of supplementary angles are a ______ pair
6. the point at which the sides of an angle intersect is called the ______ of the angle
7. ______ lines intersect at a right angle
8. The measures of ______ angles add up to 180 degrees
10. ______ means "split into two congruent parts"
11. an ______ angle is an angle with a measure between 0 and 90 degrees
12. The measures of ______ angles add up to 90 degrees
13. does a ray have a midpoint?
15. Are vertical angles always congruent?
16. A ______ angle measures 180 degrees
17. a ______ is part of a line that has one endpoint and goes on infinitely in one direction