Chapter 6 & 7

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Across
  1. 1. two types: planes and curved surfaces
  2. 4. both equilateral and equiangular
  3. 7. the simplest element in geometry
  4. 8. equal interior angles
  5. 9. a geometric object measured in "degrees"
  6. 14. a pointed solid with triangular lateral faces
  7. 15. describing how much space a 3D figure occupies
  8. 16. one of the polygons enclosing a polyhedron
  9. 17. the line segment where two faces meet
  10. 20. a polygon with three sides
  11. 22. a solid enclosed by polygons only
  12. 23. made up of infinitely many points, having length but no breadth
Down
  1. 2. all interior angles are smaller than 180 degrees
  2. 3. a flat surface with no thickness
  3. 5. equal sides
  4. 6. a geometric figure such as a square and a triangle
  5. 10. the study of shapes, sizes, positions of objects and relations among objects in space
  6. 11. describing how much space a plane figure occupies
  7. 12. a geometric shape describing a ball
  8. 13. a plane figure enclosed by three or more line segments
  9. 18. the point where two adjacent sides meet, or the point where three or more edges meet
  10. 19. at least one interior angle is larger than 180 degrees
  11. 21. measuring how "long" an object is
  12. 22. a solid with two identical bases