Geometry Word Puzzle

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Across
  1. 1. a line that intersects the circle at one point and is always perpendicular
  2. 6. two points on a circle and the continuous part of the circle in between them
  3. 7. a line that is tangent to two circles
  4. 8. two circles that lie on the same plane and have the same center
  5. 10. an arc whose angle is more than 180 degrees
  6. 11. set points on a plane that are all equidistant from a set point
  7. 13. a chord that runs straight through the center of a circle and intersects the center
  8. 14. an angle that's vertex lies on the edge of a circle
Down
  1. 2. two coplanar circles that share a point of tangency
  2. 3. a line that intersects a circle at two different points
  3. 4. two arcs on a circle that come together at exactly one point
  4. 5. an arc whose angle is less than 180 degrees
  5. 8. a line segment whose endpoints lie on a circle
  6. 9. a line segment that
  7. 12. two circles with congruent radii