Across
- 6. of the lengths of a polygon's sides
- 8. of a polygon/number of square units within a polygon
- 9. triangle/3 acute angles
- 10. figures/figures with the same shape and size
- 11. which intersects 2 or more coplanar lines
- 13. triangle/3 sides congruent
- 14. or glide
- 17. bisector/ray that divides the angle into equal parts
- 18. angles/2 angles that equal to 90 degrees
- 20. lines/non-coplanar lines that do not intersect
- 21. angles/2 angles that equal to 180 degrees
- 23. or mirror image
Down
- 1. or rotation
- 2. equal to 90 degrees
- 3. polygon/congruent sides and congruent angles
- 4. triangle/3 congruent angles
- 5. lines/2 lines that meet to form right angles
- 7. that can be proven
- 12. equal to 180 degrees
- 15. triangle/at least two sides are congruent
- 16. triangle/no congruent sides
- 19. planes/planes that do not intersect
- 22. triangle/1 right angle
- 24. triangle/1 obtuse angle