Geometry Crossword puzzle

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Across
  1. 5. of a ▲ - a segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side.
  2. 7. the longest side in a right triangle.
  3. 9. a diameter divides a circle into two congruent arcs.
  4. 11. is a statement which is accepted as true without proof.
  5. 14. is the point of concurrency of the three perpendicular bisectors of the sides of the triangle.
  6. 15. a set of points that all lie in the same plane.
  7. 16. are three or more lines that have a common point.
  8. 19. of a ▲ - a segment from the vertex of the triangle perpendicular to the line containing the opposite side.
  9. 20. are points that do not lie on the same plane.
  10. 21. is a straight mark with two arrow heads.
  11. 22. is any statement that can be proved true.
  12. 23. angles that measures 90°.
  13. 25. is a line that intersects the circle in two points.
  14. 27. is the set of all points in a plane at a given distance from a given point.
Down
  1. 1. angles that measures less than 90°.
  2. 2. is the point of concurrency of the three angle bisectors of the triangle.
  3. 3. are two lines with a common point.
  4. 4. are coplanar lines that do not intersect.
  5. 6. is the point of concurrency of three medians of the triangle.
  6. 8. angles whose measure is more that 90°.
  7. 9. is the set of all points.
  8. 10. is the point that divides the segment into two congruent segments.
  9. 11. are two lines that if they intersect they form four right angles.
  10. 12. is any set of points.
  11. 13. is the segment whose endpoints lie on the circle.
  12. 17. are points that lie on the same line.
  13. 18. is a statement of the meaning of a word , term , or phrase which made use of previously defined terms
  14. 20. are points that do not lie on the same line.
  15. 24. two distinct points on a circle divide the circle into two parts.
  16. 26. are two lines that are not coplanar.