Geometry

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Across
  1. 6. the intersection of a 3-D figure and a plane
  2. 8. a 3-D figure with all points the same distance from the center
  3. 13. a three-sided figure
  4. 14. four-sided figure with no right angles
  5. 18. quadrilateral with right angles and congruent sides
  6. 20. a polyhedron that has two congruent polygon bases and other faces that are parallelograms
  7. 21. a five-sided figure
  8. 22. line segment that passes through the center of a circle with endpoints on the circle
  9. 23. amount of space enclosed within a 3-D shape
  10. 24. ratio of the circumference of a circle to the length of the diameter
Down
  1. 1. a quadrilateral with one pair of parallel sides
  2. 2. figure with no straight sides
  3. 3. on an angle or polygon, the point where two sides intersect
  4. 4. a flat surface that has no thickness and extends forever
  5. 5. the perpendicular distance from the base to the opposite vertex
  6. 7. distance around a circle
  7. 8. the sum of the areas of all the faces of a 3-D figure
  8. 9. a six-sided figure
  9. 10. a 3-D figure with two parallel and congruent circle bases
  10. 11. an arrangement of 2-D figures that can be folded to form 3-D figure
  11. 12. a face of a 3-D figure by which it is classified
  12. 15. parallelogram with four right angles
  13. 16. line segment with one endpoint on the circle and the other at the center
  14. 17. a 3-D figure with one vertex and one circular base
  15. 19. quadrilateral with no right angles and congruent sides
  16. 21. a polyhedron with a polygon base and triangle sides that meet at a vertex