Circles

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Across
  1. 1. a straight line from the center of a circle or sphere to its outer edge
  2. 3. Logic steps that go from given to prove
  3. 5. 3.14
  4. 6. a curved line that makes up a section of the edge of a circle
  5. 9. A straight line that passes all the way through the circle, hitting it twice
  6. 10. A line that touches the circle at exactly one single point, grazing along the outside without ever cutting through
  7. 11. Opposite over hypotenuse
  8. 12. πr^2
  9. 15. An arc that is exactly half of the circle.
  10. 16. Arc:The longer curved path, making up more than half of the circle.
  11. 17. a straight line segment that connects any two points on the edge of a circle
  12. 18. Closed 2D shape made of straight lines.
Down
  1. 2. an angle formed by two chords in a circle that share a common endpoint on the circle's edge
  2. 4. a perfectly round, two-dimensional shape
  3. 7. Adjacent over hypotenus
  4. 8. The physical distance of the curve, measured in standard units like inches or centimeters
  5. 10. opposite ove radjacent
  6. 13. Arc:The shorter curved path between two points, making up less than half of the circle
  7. 14. straight line segment that passes through its center and connects two points on the circle's edge
  8. 17. C=2πr