math definitions

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Across
  1. 1. A triangle where all three angles
  2. 5. A part of something; a part of a whole.
  3. 8. A set of numbers between two given
  4. 11. The result of a division problem.
  5. 13. See inequality symbols
  6. 16. An angle with a measure greater than 0° and less than 90°. An example is shown.
  7. 17. The result of subtraction.
Down
  1. 2. A polyhedron of six faces, each of which is
  2. 3. to make larger
  3. 4. A number with more than
  4. 6. See spread.
  5. 7. A polygon with eight sides.
  6. 9. To make smaller.
  7. 10. A polygon with five sides
  8. 12. factors.
  9. 14. A collection of items.
  10. 15. less than 90°.