Geometry

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Across
  1. 5. two lines that never intersect
  2. 6. two angles whose measures add up to 90 degrees
  3. 8. set of points that are the same distance from a fixed center point
  4. 10. straight path that extends forever in both directions with no endpoints
  5. 11. part of a line that starts at one point and extends forever in one direction
  6. 12. part of a line bounded by two endpoints
  7. 13. a location in space with no size
Down
  1. 1. a flat surface that extends forever in all directions
  2. 2. two angles whose measures add up to 180 degrees
  3. 3. the common endpoint where two or more segments, rays, or lines meet
  4. 4. the angle formed by 2 rays with the same end point
  5. 6. same size and same shape
  6. 7. a three sided polygon
  7. 9. to split something into two equal parts