Beginning Geometry Terms

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Across
  1. 4. Flat surface that continues on forever
  2. 5. has an end but one side continues on forever
  3. 9. is an angle of exactly 90 degrees
  4. 10. is an angle that measures between 0 & 90 degrees
  5. 15. two lines that meet at a right angle
  6. 17. part of a line between two points
  7. 18. To divide into two equal parts
  8. 19. Two rays connected creating a vertex
Down
  1. 1. Part of a circle
  2. 2. Continues on forever in both directions
  3. 3. A location in space represented by a dot
  4. 6. Ray that divides an angle into two equal part
  5. 7. a unit of angle measure
  6. 8. is a line measuring 180 degrees
  7. 11. identical in form
  8. 12. is an angle that measures between 90 & 179 deg.
  9. 13. in the same plane
  10. 14. Points lying in the same straight line
  11. 16. Point of a polygon, polyhedron, or other figure