Across
- 3. Two lines, line segments, or rays that intersect to form a right angle
- 5. A closed figure formed by three or more line segments, called sides, that intersect only at their endpoints.
- 6. A polygon with 13 sides and 13 vertices
- 8. An angle that measures exactly 360°
- 13. A polygon with 8 sides and 8 vertices
- 16. The region outside a geometric figure or an angle formed by extending one side of a polygon
- 17. A polygon with 17 sides and 17 vertices
- 18. A polygon with 15 sides and 15 vertices
- 21. A part of a line defined by two endpoints
- 23. An infinite set of points extending in both directions without end
- 24. an angle with a measure of 90°
- 29. A angle that measures greater than 180° and less than 360°
- 30. A polygon with 11 sides and 11 vertices
- 31. A polygon with 18 sides and 18 vertices
- 33. a quadrilateral with two pairs of congruent and adjacent sides
- 34. A polygon that is both equiangular and equilateral
- 36. a line segment joining two nonconsecutive vertices of a polygon
- 37. Two lines or line segments that never intersect and are always the same distance apart
- 38. A polygon that is not equiangular or equilateral
- 39. A polygon with 5 sides and 5 vertices
- 41. angles formed by a base and the legs
- 42. A polygon with 19 sides and 19 vertices
- 45. The endpoint of a vector or segment, indicating its final position.
- 46. The starting point of a ray or vector.
- 47. A polygon with 3 sides and 3 vertices
- 49. a close plain figure consisting of four line segments or sides
- 54. a rectangle with all four sides congruent
- 55. The region inside a geometric figure or the space within the boundaries of a polygon or angle
- 59. two side sharing a common side and vertex but no interior points in common
- 60. Having the same shape and size
- 61. A polygon with 14 sides and 14 vertices
- 62. A polygon with 10 sides and 10 vertices
- 63. A polygon with 16 sides and 16 vertices
Down
- 1. two nonadjacent angles formed by two intersecting lines
- 2. A unit of measurement for angles
- 4. A polygon with 9 sides and 9 vertices
- 7. a parallelogram with four right angles
- 9. a quadrilateral with exactly one pair of opposite side parallel
- 10. A theorem that states that the sum of the interior angle measures of a convex polygon with n sides is (n-2)180 degrees
- 11. An angle that measures greater than 0° and less than 90°
- 12. A polygon with at least one interior angle greater than 180°
- 14. An angle that measures exactly 0°
- 15. two angles whose sum of the measurement is 90°
- 19. A polygon with 6 sides and 6 vertices
- 20. A theorem that states that the sum of the exterior angle measures, one angle at each vertex, of a convex polygon is 360 degrees
- 22. a quadrilateral with two pairs of opposite sides are parallel
- 25. Vertices or sides of a polygon that are not adjacent
- 26. the segment joining the midpoints of the legs
- 27. Indicates a location in space that has no size, width, length, or depth; it is represented by a dot.
- 28. A polygon with 20 sides and 20 vertices
- 32. a trapezoid with congruent legs
- 35. A flat, two-dimensional surface that extends infinitely in all directions and has no thickness.
- 40. A polygon where all interior angles are less than 180°
- 43. A figure formed by two rays sharing a common endpoint called the vertex.
- 44. elements that are adjacent or next to each other in sequence
- 48. two angles whose sum of the measures is 180°
- 50. An angle that measures exactly 180°
- 51. a parallelogram with all four sides congruent
- 52. A polygon with 12 sides and 12 vertices
- 53. The study of figures on a plane or on a space
- 56. An angle that measures greater than 90° and less than 180°
- 57. a statement that needs to be proven before being accepted
- 58. A polygon with 6 sides and 6 vertices