Geometry

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Across
  1. 3. middle point within a circle
  2. 4. geometric tool used to draw circles and parts of circles
  3. 7. triangle with no congruent sides
  4. 9. parallelogram with congruent sides
  5. 10. an example for which the conjecture is incorrect
  6. 14. rise over run
  7. 15. lines that intersect to form right angles
  8. 18. same shape, different size
  9. 20. two angles whose measures have sum of 180
  10. 21. any quantity with magnitude and direction
  11. 22. reasoning based on logic
  12. 24. angles whose sides are opposite rays (measures are congruent)
  13. 25. quadrilateral with one pair of parallel sides
  14. 28. angle whose vertex is the center of a circle or regular polygon
  15. 29. distance from the center to a vertex of a regular polygon
  16. 30. angles with a common side and vertex
  17. 31. a segment that joins two midpoints
  18. 32. "flip"
  19. 33. theorem used to find missing lengths in right triangles
  20. 35. non-coplanar lines that do not intersect
  21. 36. parallelogram with congruent sides, all angles are 90 degrees
  22. 37. "turn"
  23. 38. quadrilateral with no parallel sides
  24. 41. a trigonometry ratio that works because the slope of any angle does not change
Down
  1. 1. a series of infinite points
  2. 2. perpendicular distance from the center to a side of a regular polygon
  3. 5. part of a line with two endpoints
  4. 6. coplanar lines or planes that do not intersect
  5. 7. a trigonometry ratio that works because the ratio between the rise and the hypotenuse for any angle does not change
  6. 8. a trigonometry ratio that works because the ratio between the run and the hypotenuse for any angle does not change
  7. 9. parallelogram with congruent diagonals
  8. 10. two angles whose measures have sum of 90
  9. 11. quadrilateral with two pairs of parallel sides
  10. 12. a line, ray, or segment that intersects an angle, line or segment at the midpoint
  11. 13. formed by two rays with the same endpoint
  12. 16. angle whose measure is 90 degrees
  13. 17. trapezoid or triangle with at least two congruent sides
  14. 19. a point that divides a segment into two congruent segments
  15. 20. ruler with no markings
  16. 23. "slide"; maps all points of a figure the same distance in the same direction
  17. 26. reasoning based on patterns
  18. 27. a closed plane figure with at least 3 sides
  19. 28. equal
  20. 31. a segment whose endpoints are a vertex and the midpoint of the opposite side
  21. 34. a perpendicular segment from a vertex to the line containing the opposite side
  22. 39. a location
  23. 40. a part of a line that extends in one direction