Parts of a Circle

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Across
  1. 2. a line that connects two points on the curve of a circle
  2. 3. a pie shaped part of a circle that is made of the arc and two radii
  3. 7. the distance from the center of the circle to the edge of the circle
  4. 9. a line that intersects a circle at exactly one point
  5. 11. a continuous line that intersects a circle at exactly two points
  6. 13. the distance from edge to edge of the circle that passes through the center
  7. 14. the angle whose vertex is the center and the legs are radii
Down
  1. 1. the larger arc connecting two endpoints of a circle
  2. 2. is equal to pi multiplied by diameter
  3. 4. an angle made from points sitting on the circle's circumference
  4. 5. the middle of the circle
  5. 6. the shorter arc connecting two endpoints on a circle
  6. 8. a portion of the boundary of a circle or a curve
  7. 10. is equal to pi multiplied by area squared
  8. 12. half of a circle or half of the circumference