Geometry Crossword Puzzle

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Across
  1. 1. the points that divides the segments into two congruent segments
  2. 5. a segment whose ends lie on a circle
  3. 6. a triangle with no sides congruent
  4. 10. a smooth curve joining two endpoints
  5. 11. a chord that contain the center of a circle
  6. 14. 4-sided polygon
  7. 15. a line that contains a chord
  8. 17. providing statements by reasoning from accepted postulates, definitions, theorems, and given information
  9. 18. lines that are not coplanar
  10. 20. a statement that can be proved easily by applying the theorem
Down
  1. 2. a segment jointing two non-consecutive vertices of a polygon
  2. 3. a kind of reasoning which the conclusion is based of several past observations
  3. 4. a 8-sided polygon
  4. 7. a figure formed by that have the same end point
  5. 8. a set of points in a plane that are a given distance from a given point in the plane
  6. 9. 10-sided
  7. 12. a line that intersects two or more coplanar lines in different points
  8. 13. the figure formed by three segments joining three noncollinear points
  9. 16. a statement that can be proved
  10. 19. the set of all points