Across
- 5. cuts a line segment in half
- 6. crosses at 90 degree angles
- 7. intersection of the medians of a triangle
- 9. intersection of the angle bisectors of a triangle
- 11. intersection of the altitudes of a triangle
- 12. points on the same line
Down
- 1. a line that measures the length of a shape from one end to another
- 2. having the same size and shape
- 3. intersection of the perpendicular bisectors of a triangle
- 4. point in the middle of a line segment
- 8. half the diameter
- 10. never intersects