Types of circle

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Across
  1. 4. a section of the circumference
  2. 7. 3D rectangle circle
  3. 8. radius of 1
  4. 11. circles that touch each other at one point
  5. 12. 3D circle
  6. 13. 3D triangle circle
  7. 14. circles that share a center but have different radii
  8. 15. line segment that connects 2 points on a circle’s circumference
Down
  1. 1. a section of a circle
  2. 2. perimeter of circle
  3. 3. line that intersects the circle
  4. 5. shape with area πr^2
  5. 6. circle with center of Circumcenter
  6. 9. circles with the same radius length
  7. 10. found using the formula πr^2