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