Quadrilaterals

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Across
  1. 3. A polygon with ten sides.
  2. 4. A location with no length, width, or depth, represented by a dot.
  3. 6. Angles, Angles in the same position when a transversal crosses two parallel lines.
  4. 8. Triangle, A triangle where all angles are equal.
  5. 9. Lines, Lines that cross each other at one point.
  6. 11. Angles, Two angles that add up to 90 degrees.
  7. 14. A quadrilateral with all sides equal.
  8. 17. Angle, An angle that measures exactly 90 degrees.
  9. 18. A straight path that extends infinitely in both directions.
  10. 19. The point where two or more lines or edges meet.
  11. 23. Angles, Angles on opposite sides of a transversal but inside two parallel lines.
  12. 24. A quadrilateral with two pairs of adjacent sides equal.
  13. 25. Angle, An angle that measures more than 90 degrees but less than 180 degrees.
  14. 27. Angles, Angles inside a polygon.
  15. 28. A polygon with five sides.
  16. 29. A polygon with eight sides.
  17. 30. Angle, An angle that measures exactly 180 degrees.
  18. 33. Angles, Two angles that add up to 180 degrees.
  19. 34. A quadrilateral with opposite sides equal and all angles 90 degrees.
  20. 35. Angle, An angle that measures less than 90 degrees.
  21. 39. Sides, Sides that have the same length.
  22. 40. A polygon with three sides.
  23. 41. Lines, Lines that never meet and are always the same distance apart.
Down
  1. 1. A polygon with twelve sides.
  2. 2. A line segment connecting two non-adjacent vertices of a polygon.
  3. 5. Angles, Angles that have the same measure.
  4. 7. A quadrilateral with all sides equal and all angles 90 degrees.
  5. 10. Triangle, A triangle with all sides and all angles equal.
  6. 12. Angles, Angles formed outside a polygon when one of its sides is extended.
  7. 13. Angles, Angles that share a common side and vertex.
  8. 14. Triangle, A triangle with one angle measuring 90 degrees.
  9. 15. A polygon with six sides.
  10. 16. The unit of measurement for angles.
  11. 20. The branch of mathematics that deals with shapes, sizes, and properties of space.
  12. 21. A flat surface that extends infinitely in all directions.
  13. 22. Segment, A part of a line with two endpoints.
  14. 26. The forms of objects defined by boundaries, such as polygons and circles.
  15. 28. Lines, Lines that intersect at 90 degrees.
  16. 31. A quadrilateral with opposite sides parallel.
  17. 32. Angle, An angle that measures more than 180 degrees but less than 360 degrees.
  18. 36. A closed figure with straight sides.
  19. 37. Triangle, A triangle with no equal sides.
  20. 38. The space between two intersecting lines.