maths

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Across
  1. 7. / The sum of the lengths of the sides of a polygon
  2. 10. / The middle number in a data set when the data are put in order
  3. 11. / A positive angle measuring less than 90 degrees
  4. 14. / The value of a variable that makes an equation true
  5. 15. /
  6. 16. / measured in degrees
  7. 18. / The distance from the center to a point on a circle
  8. 20. / The steepness of a line expressed as a ratio, using any two points on the line
  9. 21. / The point on an angle where the two sides intersect
Down
  1. 1. / Points that lie on the same line
  2. 2. / identical double
  3. 3. root / the number which, if multiplied by itself gives you the original number
  4. 4. / The top part of a fraction
  5. 5. / In a data set, the sum of all the data points, divided by the number of data points; average
  6. 6. / The number which, when multiplied times a particular fraction, gives a result of 1
  7. 8. / A type of numbers used to count
  8. 9. / A point on a line segment that divides the segment into two congruent segments
  9. 12. / A type of number that can be expressed as the ratio of two integers
  10. 13. / A parallelogram with four equal sides
  11. 17. / A type of natural number that is divisible by 2
  12. 19. / The ten symbols, 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9