Tools of Geometry Vocabulary

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Across
  1. 2. a solid with all flat surfaces that enclose a single region of space
  2. 4. location that has no shape or size
  3. 6. one of two parallel faces on a prism or a single polygon intersecting three or more triangular faces of a pyramid
  4. 7. two angles that add up to 180 degrees
  5. 8. the unit of measure of an angle
  6. 13. two angles that have a common side and vertex
  7. 14. points that lie on the same line
  8. 16. the set of all points extending in three dimensions into infinity
  9. 19. a solid with a circular base connected by a curved surface to a single vertex
  10. 20. the length of a segment with two give points as its endpoints
  11. 24. distance around a circle
  12. 25. points that lie on the same plane
  13. 26. a point, line, or plane that intersects a segment at its midpoint or divides an angle in half
  14. 27. point that lies outside an angle
  15. 30. the measure of the amount of space enclosed by a solid
  16. 31. a closed figure with a finite number of coplanar segments
  17. 32. point that lies inside an angle
  18. 33. part of a line that has one endpoint and extends infinitely in one direction
  19. 34. a flat surface of a polyhedron
  20. 36. the common point shared by two sides of an angle or polygon
  21. 37. a part of a line with two endpoints
  22. 40. the point that falls halfway between the endpoints of a segment
  23. 41. an angle that is less than 90 degrees
  24. 43. a flat surface that extends in all directions infinitely
  25. 44. line segment where two faces of a polyhedron intersect
  26. 47. the position of a point M relative to points P and Q such that PM + MQ = PQ
Down
  1. 1. two rays that share a common endpoint
  2. 2. a polyhedron with two parallel congruent faces
  3. 3. a set of all points in space that are the same distance from a given point
  4. 5. the set of points that two or more geometric figures have in common
  5. 9. number of square units that cover a geometric figure
  6. 10. a term that is only explained using examples and descriptions
  7. 11. the rays that make up an angle
  8. 12. lines, segments, or rays that intersect to form right angles
  9. 15. a solid with two congruent circular bases connected by a curved surface
  10. 17. a polyhedron with one base and three or more triangular faces with a common vertex
  11. 18. two angles that add to 90 degrees
  12. 21. a polygon with all congruent angles
  13. 22. an angle that is exactly 90 degrees
  14. 23. a number that cannot be expressed as a terminating or repeating decimal
  15. 25. any two geometric figures that have the same size and shape
  16. 28. a geometric drawing that is produced using a compass and straightedge without measurements
  17. 29. a series of points that has no width or thickness
  18. 35. two nonadjacent angles formed by two intersecting lines
  19. 38. a polygon with all congruent sides
  20. 39. an angle that is greater than 90 degrees
  21. 42. a polygon that is both equilateral and equiangular
  22. 45. explanation of terms using undefined and/or other defined terms
  23. 46. distance around a geometric figure