equ-, equi-

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Across
  1. 1. imaginary line around earth
  2. 2. same amount
  3. 4. to make equal
  4. 6. all angles equal in length
  5. 7. making different sets of numbers equal
Down
  1. 1. all sides equal
  2. 3. one of two times a year when the day and night are nearly equal in length
  3. 5. having the same quantity