Circle

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Across
  1. 2. a line segment from the center to the midpoint of one of its sides
  2. 4. a polygon with four edges and four vertices
  3. 5. divide into two equal parts
  4. 7. A ∩ B of two sets A and B is the set that contains all elements of A that also belong to B
  5. 8. a nine-sided polygon
  6. 12. distance around the edge of a circle
  7. 15. a six-sided polygon
  8. 17. between any side of a shape
  9. 21. a line that intersects the curve in at least two (distinct) points
  10. 22. a straight line segment whose endpoints both lie on the circle.
  11. 25. two circle intersect inexactly one point and their intersection of their interiors is empty
  12. 27. a triangle in which all three sides are equal
  13. 29. the angle between adjacent sides of a rectilinear figure.
  14. 30. circle a circle that passes through all the vertices of the polygon
  15. 31. is any five-sided polygon
  16. 32. a polygon with three edges and three vertices
  17. 33. a seven-sided polygon
Down
  1. 1. two lines which meet at a right angle
  2. 3. a ten-sided polygon
  3. 6. a triangle center
  4. 9. a shape with 4 equal sides and every angle is a right angle
  5. 10. the longest chord
  6. 11. a polygon that is equiangular and equilateral
  7. 13. a triangle that has two sides of equal length
  8. 14. half of diameter
  9. 16. the portion of a disc enclosed by two radii and a circular arc
  10. 18. each vertex of the triangle lies on the circle
  11. 19. two circle intersect in exactly one point and the intersection of their interiors is not empty.
  12. 20. a plane shape with straight sides
  13. 23. an eight-sided polygon
  14. 24. a twelve-sided polygon
  15. 26. a line which touches a circle or ellipse at just one point
  16. 28. the center of mass