Geometry - Basic Terms/Transformations

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Across
  1. 1. Flat surface continuing in all directions
  2. 2. The image before a transformation is performed
  3. 4. The transformation of a figure about a point
  4. 5. Length of a line segment between two points
  5. 9. The image resulting after a transformation has been performed
  6. 11. Set of all points that are a fixed distance from a point
  7. 12. Point that divides a line into two segments of equal length
  8. 15. The line about which a figure is transformed
  9. 18. Angle measuring exactly 90 degrees
  10. 19. Connected straight path continuing forever in both directions
  11. 20. Angle measuring less than 90 degrees
  12. 21. Angle measuring more than 90 degrees
Down
  1. 1. Lines that never intersect
  2. 2. Lines that intersect at a right angle
  3. 3. Any change in shape, size, or position of a figure
  4. 6. Portion of a line with two endpoints
  5. 7. Portion of a line with one endpoint and continuing forever in one direction
  6. 8. Angle measuring exactly 180 degrees
  7. 10. The point about which a figure is transformed
  8. 13. Specific location with no dimension
  9. 14. The transformation of a figure about a line
  10. 16. The point at the beginning of a ray; points at the end of a line segment
  11. 17. The transformation in which all points of a figure move the same distance in the same direction