Geometry Daze

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Across
  1. 4. not just a bunch of memorized numbers
  2. 6. dead center of the line
  3. 7. four sides of equivalence
  4. 8. how much space
  5. 9. around the outside
  6. 12. +90 -180
  7. 13. four sides of parallelness
  8. 14. from point X to point Y
Down
  1. 1. has an X and an equal
  2. 2. twice the radius
  3. 3. when two lines meet
  4. 5. a drawing of measurements
  5. 9. exactly the same
  6. 10. a collection of points equidistant from a singular point
  7. 11. to figure the length (or width)
  8. 13. 90 degrees (two words)