Math

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Across
  1. 2. - A trapezoid or triangle with two equal sides.
  2. 6. - The distance around a polygon.
  3. 8. - The bottom side of a polygon, often used for calculations.
  4. 10. - The measure of the surface enclosed by a shape.
  5. 11. - Sides or angles that are next to each other.
  6. 13. - An angle of 90 degrees.
  7. 15. - A line that divides an angle or shape into two equal parts.
  8. 18. - A polygon with four sides.
  9. 21. - Numbers used to locate points on a plane.
  10. 22. - The point halfway along a line segment.
  11. 25. - When a shape can be divided into identical parts.
  12. 27. - A parallelogram with four equal sides.
  13. 29. - Shapes that are the same size and shape.
  14. 31. - A side of a polygon.
  15. 33. - A shape with at least one interior angle greater than 180 degrees.
  16. 36. - The center of mass of a polygon.
  17. 38. - A quadrilateral with two pairs of parallel sides.
  18. 39. - A quadrilateral with four equal sides and right angles.
Down
  1. 1. - Shapes with the same proportions but different sizes.
  2. 3. - A quadrilateral with two pairs of adjacent equal sides.
  3. 4. - A quadrilateral with one pair of parallel sides.
  4. 5. - A quadrilateral with opposite sides equal and four right angles.
  5. 7. - Related to the geometry of flat spaces.
  6. 9. - A polygon with all sides and angles equal.
  7. 12. - A shape where all interior angles are less than 180 degrees.
  8. 14. - Another name for a trapezoid, depending on region.
  9. 16. - Sides or angles that are across from each other.
  10. 17. - One of the edges of a polygon.
  11. 18. - Another name for a four-sided figure.
  12. 19. - The space between two intersecting lines or surfaces.
  13. 20. - A line joining two non-adjacent vertices of a polygon.
  14. 23. - An angle greater than 90 degrees but less than 180.
  15. 24. - Lines that never intersect.
  16. 26. - A parallelogram where adjacent sides are unequal, and angles are not right.
  17. 28. - The perpendicular distance from a base to the opposite side.
  18. 30. - A flat, two-dimensional surface.
  19. 32. - An angle less than 90 degrees.
  20. 34. - A point where two sides of a shape meet.
  21. 35. - Lines that meet at a right angle.
  22. 37. - A closed shape with three or more sides.