Across
- 5. prism or cylinder whose sides are not perpendicular to the bases
- 6. line that cuts through 2 or more parallel lines
- 7. point of concurrency of angle bisectors
- 8. point of concurrency of the altitudes
- 11. 3 or more lines that intersect at the same place
- 12. sum of the lengths of a polygon's sides
- 13. angles that add up to 90 degrees
- 14. a set of points equidistant from a given point
- 16. point of concurrency of perpendicular bisectors
- 18. non-rigid transformation that preserves shape, but not necessarily size
- 19. adjacent supplementary angles
- 20. represents an angle measure
Down
- 1. angles that add up to 180 degrees
- 2. rigid transformation that is expressed by the rule (x,y) -> (x h, y k)
- 3. angles that are in the same position
- 4. same shape but not necessarily the same size
- 9. lines that remain the same distance apart and never intersect
- 10. two lines that meet at right angles
- 15. same shape AND size
- 17. point of concurrency of the medians