The amazing super cool baddie CROSSWORDDDDD

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Across
  1. 1. having all sides equal in length
  2. 4. imaginary line around Earth
  3. 5. same amount
  4. 6. having all angles equal in size
Down
  1. 2. to make equal
  2. 3. day and night are nearly equal in length
  3. 4. making different sets of numbers equal
  4. 5. quantity or number