Astran's Geometry Puzzle

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Across
  1. 3. arc More than half of a circle
  2. 5. chord that passes through the circle and touches at two points
  3. 6. angle angle formed by 2 radii
  4. 7. angle
  5. 9. chord that passes through the center of the circle
  6. 11. diameter If an inscribed angle intercepts a diameter then it is a right angle
  7. 13. angle formed by two chords with a common endpoint
  8. 14. a segment from the center point to a point on the circle
Down
  1. 1. of tangency central anglent where tangent touches the circle
  2. 2. What opposite angles are if a quadrilateral is inscribed in a circle
  3. 4. Part or a circle defined by two endpoints
  4. 5. Half of a circle
  5. 6. segment that joins two points on the circle
  6. 8. line in the plane that touches a circle at a single point
  7. 10. Arc Less than half of a circle
  8. 12. set of points in a plane at a given distance from a given point