Mathematics word puzzle

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Across
  1. 4. A part of a line that starts at an initial point and extends infinitely in one direction.
  2. 6. A polygon with 15 sides and 15 vertices.
  3. 10. A full rotation of 360 degrees
  4. 11. An angle that measures exactly 180 degrees.
  5. 13. A polygon where all interior angles are less than 180 degrees.
  6. 15. A polygon with 7 sides and 7 vertices.
  7. 16. A polygon with 20 sides and 20 vertices.
  8. 17. Having the same shape and size.
  9. 22. A polygon with 26 sides and 26 vertices.
  10. 24. The starting point of a ray or vector.
  11. 26. A polygon with 3 sides and 3 vertices.
  12. 28. Two adjacent angles whose non-common sides form a straight line
  13. 30. A part of a line defined by two endpoints
  14. 36. Points that lie on the same straight line.
  15. 39. Two lines or line segments that never intersect and are always the same distance apart.
  16. 40. The study of figures on a plane or on a space
  17. 42. an angle with a measure of 90 degrees
  18. 45. A polygon with at least one interior angle greater than 180 degrees
  19. 46. A polygon with 10 sides and 10 vertices.
  20. 48. A polygon where all sides are equal in length.
  21. 49. Two angles sharing a common side and vertex but no interior points in common
  22. 51. A theorem that states that the segment that joins the midpoints of two sides of a triangle is parallel to the third side and half as long
  23. 52. A polygon with 8 sides and 8 vertices.
  24. 55. A polygon where all interior angles are equal in measure.
  25. 56. The endpoint of a vector or segment, indicating its final position.
  26. 59. Two nonadjacent angles formed by two intersecting lines
  27. 63. A flat, two-dimensional surface that extends infinitely in all directions and has no thickness.
  28. 65. A polygon with 23 sides and 23 vertices.
  29. 68. A triangle where no sides are congruent
  30. 69. An angle that measures greater than 180 degrees and less than 360 degrees.
  31. 70. Angles formed by a base and the legs
  32. 71. A polygon with 25 sides and 25 vertices.
  33. 75. a quadrilateral with exactly one pair of opposite sides parallel
  34. 77. A polygon with 11 sides and 11 vertices.
  35. 79. An angle that measures greater than 90 degrees and less than 180 degrees.
  36. 80. A Statement that needs to be proven before being accepted
  37. 81. A polygon with 5 sides and 5 vertices.
  38. 85. A polygon with 16 sides and 16 vertices.
  39. 87. A polygon with 30 sides and 30 vertices.
  40. 89. elements that are adjacent or next to each other in sequence.
  41. 90. A line, ray, or segment that divides another segment into two equal parts.
  42. 92. A unit of measurement for angles
  43. 93. How many sides and vertices does an icosagon have?
  44. 94. A polygon with 18 sides and 18 vertices.
  45. 95. Two angles that share a common vertex and a common side but do not overlap.
Down
  1. 1. a closed plane figure consisting of four line segments or sides
  2. 2. A polygon with 29 sides and 29 vertices.
  3. 3. Indicates a location in space that has no size, width, length, or depth; it is represented by a dot.
  4. 5. An angle that measures greater than 0 degrees and less than 90 degrees.
  5. 6. Two lines, line segments, or rays that intersect to form a right angle.
  6. 7. A polygon with 14 sides and 14 vertices.
  7. 8. can be defined using undefined terms
  8. 9. The point that divides a line segment into two equal parts.
  9. 12. A polygon with 24 sides and 24 vertices.
  10. 14. Do not require a definition but can be described
  11. 18. A polygon with 19 sides and 19 vertices.
  12. 19. A line or ray that divides an angle into two equal parts.
  13. 20. A figure formed by two rays (or line segments) sharing a common endpoint called the vertex.
  14. 21. A theorem that states that the sum of the interior angle measures of a convex polygon with n sides is (n-2)180 degrees
  15. 23. Determines the direction of the angle
  16. 25. A polygon with 17 sides and 17 vertices.
  17. 27. Two angles whose sum is 180 degrees
  18. 29. a quadrilateral with two pairs of opposite sides that are parallel
  19. 31. A polygon that is not equiangular or equilateral.
  20. 32. Vertices or sides of a polygon that are not adjacent.
  21. 33. An infinite set of points extending in both directions without end, having no thickness or width.
  22. 34. An angle that measures exactly 0 degrees.
  23. 35. A closed figure formed by three or more line segments, called sides, that intersect only at their endpoints.
  24. 37. A theorem that states that the sum of the exterior angle measures, one angle at each vertex, of a convex polyygon is 360 degrees
  25. 38. A polygon with 27 sides and 27 vertices.
  26. 41. Angles that are multiples of 90 degrees where the terminal side lies along the axes
  27. 43. A triangle where at least two sides are congruent
  28. 44. a trapezoid with congruent legs
  29. 47. A quadrilateral with two pairs of congruent and adjacent sides
  30. 50. Two angles whose sum is 90 degrees
  31. 53. The line segments that form the boundary of a polygon.
  32. 54. A line segment joining two nonconsecutive vertices of a polygon
  33. 57. A shape, line, or collection of points that represents a geometric object.
  34. 58. A polygon with 13 sides and 13 vertices.
  35. 60. A theorem that states that the sum of the interior angle measures of a triangle is 180 degrees
  36. 61. Points that lie on the same plane.
  37. 62. A polygon with 9 sides and 9 vertices.
  38. 64. The point where two line segments, rays, or edges meet to form an angle or corner.
  39. 66. A polygon that is both equiangular and equilateral.
  40. 67. a parallelogram with four right angles
  41. 68. a rectangle with all four sides congruent
  42. 72. A point at which a line segment or ray terminates.
  43. 73. The region outside a geometric figure or an angle formed by extending one side of a polygon.
  44. 74. A polygon with 6 sides and 6 vertices.
  45. 76. A polygon with 28 sides and 28 vertices.
  46. 78. The region inside a geometric figure or the space within the boundaries of a polygon or angle.
  47. 82. a parallelogram with all four sides congruent
  48. 83. A theorem that states that the median of a trapezoid is parallel to each base and its length is one-half the sum of the lengths and bases
  49. 84. A point where a line segment or ray begins or ends.
  50. 86. A polygon with 12 sides and 12 vertices.
  51. 88. A regular polygon is always ______
  52. 91. How many sides and vertices does an undecagon have?