Math Magic

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Across
  1. 2. third digit after the decimal point
  2. 7. the answer of a multiplication operation
  3. 10. a quadrilateral with two pairs of parallel sides
  4. 12. a number that has more than two divisors
  5. 14. a three sided polygon
  6. 16. two lines that form a right angle at their intersection point
  7. 17. from least to greatest
  8. 18. a number that has exactly two divisors
  9. 21. composed of a numerator and a denominator
Down
  1. 1. the answer of a division operation
  2. 3. a divisor of a number
  3. 4. the point of intersection of three perpendicular bisectors
  4. 5. two angles that add up to 180
  5. 6. an angle that measures more than 90
  6. 8. a number that has a decimal point
  7. 9. a ray that divides an angle into two equal adjacent angles
  8. 11. the product of multiplication of a number by another number
  9. 13. in simplest form
  10. 15. a segment issued from the vertex perpendicular to the opposite side
  11. 19. a segment that joins the vertex to the midpoint of the opposite side
  12. 20. a number that is divisible by two