Geometry

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Across
  1. 4. the space between two or more things
  2. 8. two angles that add up to 90*
  3. 11. formula used to find the midpoint
  4. 15. the starting point of a line segment or a ray
  5. 16. three or more points on the same line
  6. 17. where two rays have the same endpoint
  7. 18. three or more points that are not on the same line
Down
  1. 1. formula used to find distance between points
  2. 2. part of a line containing two endpoints and all points in between
  3. 3. goes forever in both directions
  4. 5. points that are in the same plane
  5. 6. the exact middle point
  6. 7. a flat surface that extends into all directions containing atleast 3 noncollinear points
  7. 9. points that aren't in the same plane
  8. 10. two angles that add up too 180*
  9. 12. a line with one end point and confines forever in one direction
  10. 13. having same number value
  11. 14. any point in space
  12. 19. identical in form