| __ | 1. | angle | | A. | the distance between the endpoints of an arc |
| __ | 2. | circle | | B. | two rays or line segments sharing a common endpoint |
| __ | 3. | distance along a line | | C. | the set of points on a plane at a certain distance, radius |
| __ | 4. | distance around a circular arc | | D. | two lines that intersect at a right angle |
| __ | 5. | isometry | | E. | point, line, plane |
| __ | 6. | line segment | | F. | all points in the preimage are moved along circular arcs |
| __ | 7. | parallel lines | | G. | a line with two endpoints |
| __ | 8. | perpendicular lines | | H. | lines in a plane that do not share any points |
| __ | 9. | rotation | | I. | the linear distance between two points on a given line |
| __ | 10. | undefined terms | | J. | preimage and image are congruent |
| __ | 11. | Alternate Exterior Angles | | A. | a figure is moved along parallel lines |
| __ | 12. | Alternate Interior Angles | | B. | all points are moved perpendicular to the line of symmetry |
| __ | 13. | Consecutive Exterior Angles | | C. | all points in the preimage are moved along a circular arc |
| __ | 14. | Consecutive Interior Angles | | D. | angles opposite to each other when two lines intersect |
| __ | 15. | Corresponding Angles | | E. | angles whos measures add up to 180 degrees |
| __ | 16. | reflection | | F. | Same side of transversal, one exterior one interior |
| __ | 17. | rotation | | G. | Same side of transversal, both interior |
| __ | 18. | Supplementary Angles | | H. | Different sides of trasversal, both interior |
| __ | 19. | translation | | I. | Different sides of trasversal, both exterior |
| __ | 20. | Vertical angles | | J. | Same side of transversal, both exterior |