Measuring Circles

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Across
  1. 3. Proportional relationship between the diameter and circumference of any circle.
  2. 5. The distance around the boundary of a circle
  3. 6. Word used that means “to the second power".
Down
  1. 1. a round plane figure
  2. 2. Inverse operation of multiplication.
  3. 4. The total space taken up of a figure.
  4. 7. The distance from the center to the circumference or edge.
  5. 8. The distance from one point on a circle through the center to another point on the circle.