easy math vocab

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Across
  1. 2. having two sides of equal length.
  2. 5. adding all together and divide by the amount of numbers.
  3. 6. lines straight up and down and will never touch.
  4. 7. that shows up the most.
  5. 8. the action of rotating around the axis or center.
  6. 9. plane figure with at least three straight side and angles,typically five or more.
Down
  1. 1. having sides unequal in length.
  2. 3. angle larger than 90 degrees
  3. 4. littlest number from the biggest number.
  4. 6. 90 degree angle.