Geometry Puzzle Review (Jinx)

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Across
  1. 5. noncoplanar lines, they will not intersect
  2. 7. a triangle with all sides congruent
  3. 9. chord that passes through the center of the circle
  4. 11. segment that connects two points on the circle
  5. 13. in a right triangle, the sum of the squares of the legs is equal to the square of the hypotenuse
  6. 14. segment whose endpoints are the center of the circle and a point on the circle
  7. 16. line that intersects a circle in two points
  8. 17. quadrilateral with both pairs of opposite side parallel
  9. 23. all sides congruent and all four right angles
  10. 24. the set of points in a plane that are equidistant from a fixed point called the center
  11. 25. two angles whose sum is 180 degrees
Down
  1. 1. line in the plane of the circle that intersects the circle in one point
  2. 2. union of 3 or more coplanar segments that meet only at endpoints such that at most two segments meet at one endpoint and each segment meets exactly two other segments
  3. 3. two coplanar angles with a common vertex and a common side between them
  4. 4. two lines that intersect to form right angles
  5. 6. quadrilateral with exactly one pair of opposite sides parallel
  6. 8. two angles whose sum is 90 degrees
  7. 10. two lines are parallel if they are coplanar and do not intersect
  8. 12. set points in space a given distance from a given point called the center
  9. 15. a triangle with at least two sides congruent
  10. 18. parallelogram with consecutive sides congruent
  11. 19. parallelogram with a right angle
  12. 20. polygon which is equilateral and equiangular
  13. 21. the non-adjacent angles formed by two intersecting lines
  14. 22. two triangles are congruent if corresponding sides are congruent and corresponding angles are congruent