Sir Cumference and the First Round Table

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Across
  1. 2. all sides congruent, diagonals congruent
  2. 4. opposite sides congruent, diagonals not congruent
  3. 6. a line from center to side of a circle
  4. 8. the study of mathematical shapes
  5. 9. opposite sides congruent, diagonals congruent
  6. 10. eight sided polygon
  7. 11. line that passes through the center of a circle
Down
  1. 1. a round shape with no corners or edges
  2. 3. perimeter of a circle
  3. 5. space inside a shape
  4. 7. slanted line through the center of a shape