Edes' MSMc2 Crosswords

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Across
  1. 3. The l*w on a 2D polygon.
  2. 5. l*w*h
  3. 7. The number in a division problem that you must divide by.
  4. 9. To split in half an angle.
  5. 10. To solve.
  6. 13. The answer to a division problem.
  7. 14. Two #'s(+ and -) equal distance from 0.
  8. 16. Any number that is unknown to the equation.
  9. 19. A three-sided shape with angles < 180.
  10. 21. A line that goes forever in one direction.
Down
  1. 1. The comparison of two amounts.
  2. 2. To isolate the variable.
  3. 4. A polygon with equal side lengths and angles.
  4. 5. A corner on a shape < 180.
  5. 6. To delete any common factors in a fractions.
  6. 8. < An angle that is 90 degrees.
  7. 11. Two numbers/fractions/decimals that are equal.
  8. 12. A pyramid with a circular base.
  9. 15. 1/2 of diameter of circle.
  10. 17. Curved line in a circle made by a compass.
  11. 18. A polygon with 8 straight sides.
  12. 20. pair Two angles with a sum of 180 degrees.