Math THing

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Across
  1. 2. A point equilateral of two other points on a line
  2. 4. Angles that share a vertex
  3. 6. Adds up to 90°
  4. 9. any number that can be multiplied by to create a new image
  5. 10. A shape fipped over the x or y axis to create a mirror image
  6. 12. an image dilated larger or smaller
  7. 14. The common endpoint of an angle
  8. 15. Adds up to 180°
  9. 17. an image that can be slided
  10. 20. ABC, CBA, B
Down
  1. 1. Equal
  2. 3. A ray that equally divides an angle
  3. 5. A line that extends from an endpoint
  4. 7. two separate angles
  5. 8. A location on a plane
  6. 10. an image rotated around a point of origin
  7. 11. An infinite amount of consecutive points
  8. 13. A pair of angles that are next to each other
  9. 16. Two rays that share an endpoint
  10. 18. A 2D surface that never ends
  11. 19. A 2D shape