GEOMETRY CROSSWORD

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Across
  1. 2. a line with one endpoint that extends forever
  2. 5. a polygon with six sides and six angles
  3. 7. two lines that meet or intersect each other at right angles
  4. 8. the amount of space occupied by any three-dimensional solid
  5. 10. a straight line passing through the center of a circle or sphere
  6. 12. a polygon with three sides
  7. 13. set of points which have infinite length but no width or height
  8. 14. a closed shape with straight sides
Down
  1. 1. lines that never intersect
  2. 3. has a vertex and a circular base
  3. 4. a rectangle with 4 equal sides
  4. 6. a three-dimensional figure with identical squares as faces
  5. 8. a point where two sides meet
  6. 9. comparison of two numbers by division
  7. 11. the amount of space inside a shape