geometry crossword

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Across
  1. 3. what's round and a shape
  2. 5. part of the circle made of the arc
  3. 6. whats the middle of things called
  4. 7. circles with common center
  5. 10. the angle in the center
  6. 11. the opposite of a major arc
  7. 12. 2 circles with the same radius
  8. 13. has trillion digits
  9. 15. arc that is side by side
Down
  1. 1. 1/4 of a circle is called what
  2. 2. the area of a thing
  3. 4. a region bounded by a chord
  4. 8. the opposite of a minor arc
  5. 9. the length of an arc
  6. 12. linear distance of a circle
  7. 14. distance form the center of a circle to the edge