math vocab

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Across
  1. 2. average of a set of numbers
  2. 5. distance of the center of a circle outwards
  3. 6. eight sided polygon
  4. 7. four sided polygon
  5. 8. total distance around a figure
  6. 9. across a circle to the edge
  7. 10. more than 90 degrees and less than 180 degrees
Down
  1. 1. the most repeated number in a set of numbers
  2. 2. the middle number of a ordered set of numbers
  3. 3. an angle less than 90 degrees
  4. 4. the perimeter of a circle
  5. 8. any 2D shaped formed with straight lines