Math terms

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Across
  1. 3. divides in 2
  2. 6. Lines that intersect to form right angles
  3. 9. Points that lie in the same plane
  4. 10. The length of a path between two points
  5. 13. an angle that measures larger than 90 degrees and less than 180 degrees
  6. 14. A flat surface that has no thickness and extends forever
  7. 16. Identical in form/coinciding exactly when superimposed. (the same)
  8. 17. The common point of two rays, or sides of an angle
  9. 18. Names a location and has no size. Represented by a dot
Down
  1. 1. an angle that measures 180 degrees
  2. 2. the sum of the side lengths of a figure
  3. 4. the steepness of a line on a graph
  4. 5. lines in the same plane that never intersect (same slope)
  5. 7. a straight path that has no thickness and extends forever.
  6. 8. an angle that measures 90 degrees
  7. 11. an angle that measures larger than 1 degree and less than 90 degrees
  8. 12. A Point at one end of a segment or the starting point of a ray.
  9. 15. Point that lies in the middle.
  10. 16. Points that lie on the same line