Across
- 3. / a = 180°
- 7. / two figures with the same shape but different size
- 10. / the image you can see in a mirror
- 12. / =
- 13. / a + b = 90°
- 14. / 180° < a < 360°
- 16. / the full word for "math"
- 17. / the plural form of the word "vertex"
- 18. / turning
- 19. / 90° < a < 180°
- 20. / a very dark color
Down
- 1. / the noun for the verb "transform"
- 2. / -
- 3. / a + b = 180°
- 4. / +
- 5. / a kind of transformation (moving a figure)
- 6. / 0 < a < 90°
- 8. / the opposite of negative
- 9. / two figures with the same shape and same size
- 11. / °
- 15. / two lines that never cross each other