CIRCLE CIRCLE DOT DOT

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Across
  1. 2. center forms the vertex
  2. 3. a plane figure bounded by two radii and the included arc
  3. 8. two chords of the circle sharing an endpoint
  4. 10. measure less than 180 degrees of a circle
  5. 11. equidistant from the points on the circumference of the circle
  6. 14. curve that measures 180 degrees
  7. 16. a line intersecting a curve at two or more points
Down
  1. 1. measure greater than or equal to 180 degrees of a circle
  2. 2. circles with the same center
  3. 4. touches the circle at only one point. perpendicular to the radius.
  4. 5. a line segment between two points on a given curve
  5. 6. measure around the circle
  6. 7. the space between two concentric circles on a plane
  7. 9. n/360(2pi)r
  8. 12. length of the circle
  9. 13. 16th letter of the greek alphabet
  10. 15. half the diameter