Circle Review-Dora

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Across
  1. 3. a six-sided polygon
  2. 4. a line cutting through a circle
  3. 6. a line segment whose endpoints both lie on a circle
  4. 7. a twelve-sided polygon
  5. 8. to divide into two usually equal parts
  6. 10. a ten-sided polygon
  7. 12. being at right angles to a given line or plane
  8. 13. a polygon with four edges and four vertices or corners.
  9. 15. two circles that have a single point in common with one inside another
  10. 16. a polygon with three edges and three vertices.
  11. 18. two separated circles that have a single point in common
  12. 20. a line intersects with the circle with two points
  13. 21. a seven-sided polygon
  14. 22. a line segment from any point on the circumference to the centre.
  15. 23. a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length).
  16. 24. a circle that passes through all the vertices of the polygon.
  17. 27. a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain or polygonal circuit.
  18. 28. a line touching a circle at only one point.
  19. 30. the single point in which the three bisectors of the interior angles of a triangle intersect and which is the center of the inscribed circle
  20. 31. a five-sided polygon
  21. 32. a nine-sided polygon
  22. 33. the set of points which are an equal distance to a fixed point
Down
  1. 1. the distance from the center to a chord in a circle.
  2. 2. a center of mass
  3. 4. a geometric figure bounded by two radii and the included arc of a circle
  4. 5. a largest circle contained in a triangle
  5. 9. a regular quadrilateral with four equal sides and four equal angles
  6. 11. an angle formed outside a polygon by one side and an extension of an adjacent side
  7. 14. the longest possible chord in a circle
  8. 17. an angle formed within a polygon by two adjacent sides.
  9. 19. a triangle in which all three sides are equal.
  10. 25. the perimeter of the circle
  11. 26. a triangle that has two sides of equal length.
  12. 29. an eight-sided polygon