math definitions

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Across
  1. 2. the shape that has all equal sides that's a quadrilateral
  2. 5. an angle that's 90 degrees
  3. 6. repeated addition
  4. 9. the garage of a set of numbers
  5. 10. a shape with 3 sides
  6. 13. the middle of a set of numbers
  7. 14. how far away from zero
  8. 15. the opposite of multiplication
  9. 16. A triangle with a right side
Down
  1. 1. all sides are less than 90 degrees
  2. 3. a angle that's less than 90 degrees
  3. 4. is a shape with closed sides that are touching
  4. 7. a quadrilateral with at least one pair of parallel sides
  5. 8. a number that's not a decimal and not a fraction but whole
  6. 11. A polygon with 5 sides
  7. 12. is when you minus the biggest to the smallest