Geometry Crossword

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Across
  1. 1. the number of ways a set can be arranged
  2. 6. same shape and size
  3. 9. a line bounded by two points or connecting two points
  4. 10. the longest side of a right triangle
  5. 13. the total space of a 3-D object
  6. 14. expressing large numbers in terms of powers
  7. 16. symbol !
  8. 18. lines that never intersect
  9. 19. opposite over adjacent
  10. 20. length × width × height
Down
  1. 2. segment that connects the midpoints of two sides of a triangle
  2. 3. opposite over hypotenuse
  3. 4. a curved 2-D shape
  4. 5. a line that passes through two lines
  5. 7. adjacent over hypotenuse
  6. 8. mass divided by volume
  7. 11. 2 times the radius
  8. 12. the bottom of a figure
  9. 15. an expression with more than two expressions
  10. 17. the total space taken up