Geometry Crossword

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Across
  1. 4. Distance around the outside of a 2D shape
  2. 8. Lines that cross each other
  3. 10. A transformation that is a mirror image
  4. 13. two lines that never touch even if they go on forever
  5. 14. A transformation that slides a figure a certain distance
  6. 15. A straight line from the center of a circle to the outside
Down
  1. 1. Cut in half evenly
  2. 2. Lines that intersect at a 90 degree angle
  3. 3. Same shape, different size
  4. 5. Numbers that pinpoint the location of a point on a plane
  5. 6. Surface space within a 2D shape
  6. 7. A transformation that turns a figure around a fixed point
  7. 9. A shape where all points are equidistant from the center
  8. 11. A transformation that changes the size of a figure
  9. 12. Same shape, same size