Circle-Alice

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Across
  1. 5. the line segment between two points on a given curve.
  2. 6. a polygon having ten angles and ten sides.
  3. 8. a rectangle having all four sides of equal length.
  4. 11. triangle that the sides are same length
  5. 18. the outer boundary, especially of a circular area; perimeter
  6. 20. triangle that the two sides are same length
  7. 21. a straight line extending from the center of a circle or sphere to the circumference or surface
  8. 24. a polygon having six sides.
  9. 26. a perpendicular from the center of a regular polygon to one of its sides.
  10. 27. an angle formed between parallel lines by a third line that intersects them.
  11. 28. a line or a plane that touches a curve or a surface at a point so that it is closer to the curve in the vicinity of the point than any other line or plane drawn through the point.
  12. 29. the set of points which are an equal distance to a fixed point
  13. 30. a polygon having five angles and five sides.
  14. 31. when two circles only have one intersecting point and one is outside another.
  15. 32. the center of an inscribed circle; that point where the bisectors of the angles of a triangle or of a regular polygon intersect.
Down
  1. 1. an intersecting line, especially one intersecting a curve at two or more points.
  2. 2. a straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end.
  3. 3. a polygon having 12 angles and 12 sides.
  4. 4. when two circles only have one intersecting point and one is inside another.
  5. 5. a circle that passes through all the vertices of the polygon.
  6. 7. crossing
  7. 9. an n-sided polygon in which the sides are all the same length and are symmetrically placed about a common center
  8. 10. a figure formed by four straight lines that have six points of intersection;a polygon with four sides.
  9. 12. a triangle which vertexes are on the circumference of the circle.
  10. 13. an angle formed outside parallel lines by a third line that intersects them.
  11. 14. a closed plane figure having three sides and three angles.
  12. 15. the center of mass
  13. 16. a polygon having ten angles and ten sides.
  14. 17. to cut or divide into two equal parts
  15. 19. a polygon having seven angles and seven sides.
  16. 22. a polygon having nine angles and nine sides.
  17. 23. a plane figure bounded by two radii and the included arc of a circle.
  18. 25. meeting a given line or surface at right angles.