Geometry Terms

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Across
  1. 2. A line that divides an angle into two equal parts
  2. 7. A three-sided polygon
  3. 9. A quadrilateral in which the lengths of all four sides are equal
  4. 10. A triangle containing a 90 degree angle
  5. 11. A quadrilateral with one pair of parallel sides
  6. 14. A triangle with all three sides equal
  7. 16. A triangle with exactly two equal sides
  8. 19. An angle that measures 180 degrees
  9. 20. Angles whose sum is 90 degrees
  10. 22. Pairs of equal angles formed on either side of a transversal crossing a pair of parallel lines
  11. 23. An angle that measures 90 degrees
  12. 24. An angle contained between one side of a polygon and the extension of an adjacent side
  13. 25. A triangle containing one obtuse angle
  14. 31. When two lines cross, the pairs of angles formed on either sides
  15. 33. A polygon with eight sides
  16. 34. A polygon with seven sides
  17. 35. An angle that is formed inside a polygon by two sides meeting at a vertex
  18. 36. An angle that measures more than 180 degrees but less than 360 degrees
  19. 37. An angle whose measure is less than 90 degrees
  20. 38. A triangle with no equal sides
  21. 40. Identical in size and shape
  22. 41. The longest side of a right triangle
Down
  1. 1. Pairs of supplementary angles formed between a pair of parallel lines by a transversal
  2. 3. An angle that measures more than 90 degrees but less than 180 degrees
  3. 4. Lines in the same plane that never meet.
  4. 5. Pairs of equal angles, in corresponding positions, formed by a transversal crossing a pair of parallel lines
  5. 6. Two angles that share the same vertex and have one side in common
  6. 8. A polygon with six sides
  7. 12. A polygon with four sides
  8. 13. A quadrilateral with two pairs of adjacent sides equal
  9. 15. A part of a line with one endpoint
  10. 17. A polygon in which each interior angle measures less than 180 degrees
  11. 18. A rectangle in which the lengths of all four sides are equal
  12. 20. A polygon in which one or more of the interior angles is greater than 180 degrees
  13. 21. Angles whose sum is 180 degrees
  14. 23. A polygon with all sides equal and all interior angles equal
  15. 26. A quadrilateral with two pairs of equal opposite sides and four right angles
  16. 27. A two-dimensional closed figure whose sides are line segments
  17. 28. A line that crosses or intersects two or more lines
  18. 29. A triangle in which each of the three interior angles measures less than 90 degrees
  19. 30. A line segment joining two non-adjacent vertices of a polygon
  20. 32. A quadrilateral with two pairs of opposite sides that are parallel
  21. 39. A point at which two sides of a polygon meet