Language of Geometry

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Across
  1. 5. the length of the opposite side divided by the length of the adjacent side
  2. 6. 8-sided polygon
  3. 10. variable P
  4. 12. 6-sided polygon
  5. 14. 12-sided polygon
  6. 16. variable Q
  7. 17. having sides unequal in length
  8. 20. line which passes through a vertex of a triangle, and meets the opposite side at right angles
  9. 24. quadrilateral with exactly one pair of parallel sides
  10. 26. having a common vertex and common side
  11. 27. 5-sided polygon
  12. 28. equal to 180 degrees
  13. 29. 9-sided polygon
  14. 30. line meeting another line at a right angle
  15. 32. equal to 90 degrees
  16. 36. any 4-sided polygon
  17. 37. has at least 2 equal sides
  18. 39. reverse of a conditional
  19. 40. parallelogram with 4 right angles
  20. 41. distance around a 2D shape
Down
  1. 1. when one shape becomes exactly like another if you flip, slide or turn it
  2. 2. straight, continuous arrangement of infinite points
  3. 3. logical series of statements and corresponding reasons that start with a hypothesis and end with a conclusion
  4. 4. the longest side of a right triangle, opposite the right angle
  5. 7. 3-sided polygon
  6. 8. parallelogram with 4 congruent sides
  7. 9. closed figure consisting of segments called sides, which intersect with other sides at their endpoints forming vertices
  8. 11. polygon with at least one interior angle that measures > 180
  9. 13. trigonometric function that is equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse.
  10. 15. statement that can be written in the form "if P, then Q"
  11. 18. points located on the same line
  12. 19. quadrilateral with 2 pairs of adjacent, congruent sides
  13. 21. 7-sided polygon
  14. 22. starts one place and extends in one direction infinitely
  15. 23. parallelogram with 4 right angles
  16. 25. specific examples showing that a generic statement is untrue
  17. 31. 2+ lines located on the same plane
  18. 33. a quadrilateral with 2 pairs of parallel sides
  19. 34. line that passes through two lines in the same plane at two distinct points
  20. 35. each angular point of a polygon, polyhedron, or other figure
  21. 38. statement that can be proven