Across
- 6. a line segment perpendicular to and passing through the midpoint
- 8. add up to 180 degrees
- 9. equidistant between two endpoints
- 10. a line segment through a vertex and perpendicular to a line containing the base
- 11. a line that splits an angle into two equal parts
- 12. add up to 90 degrees
Down
- 1. AB+BC=AC
- 2. pairs of opposite angles made by intersecting lines
- 3. segment connecting the midpoints of two sides of a triangle
- 4. <ABC+<CBD=<ABD
- 5. a line segment joining a vertex to the midpoint of the opposite side
- 7. divide into two equal parts