Geometry puzzle

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Across
  1. 1. is an entity that has a location is space
  2. 6. to separate into parts
  3. 7. The numerical value of a real number without regard to its sign
  4. 11. A number that typifies a a set of numbers
  5. 14. the sum of a function
Down
  1. 2. having two equal sides
  2. 3. it is the smallest positive integer that is a mutiple of each denominator in the set
  3. 4. a electronic device of the performance of mathematical computations
  4. 5. one of the basic shapes in geometry
  5. 8. the ordinate of the endpoint of an arc of a unit
  6. 9. the point were two rays begin
  7. 10. is a perfectly round geometrical and cicular object in three-dimensional space
  8. 12. a coordinates system in which the corrdinare of a point are its distances from a set
  9. 13. A branch of mathematics with symbols
  10. 14. having three unequal sides