Circle Crossword

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Across
  1. 2. Half of a circle
  2. 4. One Quarter of a Circle
  3. 7. The distance from the center of a circle to its edge
  4. 9. All the points in a plane equal distant from a single point
  5. 11. A __________ figure is a shape made by combining multiple shapes together
Down
  1. 1. Distance around a circle
  2. 3. the point at the middle of the circle
  3. 5. The distance across a circle while passing through the center
  4. 6. the ratio of the circumference of a circle to its diameter
  5. 8. Pi r squared sounds like this
  6. 10. Name of the greatest song of all time