Geometry Crossword

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Across
  1. 1. A four sided polygon; angles total 360°
  2. 3. A triangle with three equal sides
  3. 7. lines that cross at a point and form 90°angles
  4. 10. A transformation that moves a figure in a straight line without turning or flipping
  5. 15. Two angles that add up to 180°
  6. 22. A transformation that moves a figure by turning it
  7. 24. Contains two sets of parallel sides that form four 90° angles; all sides are congruent
  8. 25. An angle that is exactly 90°
  9. 26. A triangle with no equal sides
  10. 27. Lines that stay the same distance from each other forever and never intersect
  11. 28. An 8-sided polygon
  12. 29. Two angles that are formed with a common side
  13. 30. Contains two sets of parallel sides that form four 90° angles
  14. 32. A 6-sided polygon
  15. 33. Lines that cross at a point
  16. 34. A quadrilateral that contains one set of parallel sides; also contains two opposite congruent sides
  17. 35. A triangle with all acute angle
  18. 36. A word meaning equal or same; it is used to describe figures, sides, and angles
Down
  1. 2. An angle that is less than 90°
  2. 4. A line that cuts across a figure connecting two vertices that are not adjacent
  3. 5. Two angles that add up to 90°
  4. 6. Angles that are across from each other; they do not share a side or vertex
  5. 8. An angle that is exactly 180°
  6. 9. A 5-sided polygon
  7. 11. A transformation that moves a figure by flipping it across a line
  8. 12. The angles inside of a figure; in a triangle, these add up to 180°
  9. 13. A triangle with one obtuse angle
  10. 14. A point where two or more lines come together; also called a corner on a polygon.
  11. 16. Contains two sets of parallel sides that are all congruent
  12. 17. A figure has this when a line can divide it into two congruent parts
  13. 18. A quadrilateral that contains on set of parallel sides and contains two right angles
  14. 19. A triangle with two equal sides
  15. 20. Contains two sets of parallel side
  16. 21. A triangle with one right angle
  17. 23. A figure has this when can be turned around a point and exactly the same as its original image after some rotating
  18. 28. An angle that is more than 90 and less than 180°
  19. 31. The angles on the outside of a figure when the sides are extended