Circle Review-Anny

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Across
  1. 3. a flat sahpe with 7 sides
  2. 4. a 4 sides polygon
  3. 11. a figure that enclosed by 2 radii of a circle
  4. 12. half of the diameter
  5. 14. a regular 3 sides polygon
  6. 16. opposite of cotangent
  7. 17. a straight line that cut through a circle
  8. 19. a line segemnts that the endpoints are on the circle
  9. 20. a flat shape with 6 sides
  10. 21. to divide sth. into 2 equal parts
  11. 24. two lines meet one point
  12. 26. the distance around a circle
  13. 28. angles that are inside a solid
  14. 31. the common center of mass
  15. 32. a flat shape with 8 sides
  16. 33. a flat shape with three or more sides
Down
  1. 1. two times the radius
  2. 2. a flat shape wit 12 sides
  3. 5. a distance from the center of a regular polygon to any of its sides
  4. 6. a triangle that is fit in a circle
  5. 7. a circle that passes all the vertices of a polygon
  6. 8. a ploygon with all sides and angles equal
  7. 9. d=R+r
  8. 10. a 3 sides polygon with 2 sides equal
  9. 13. vertical to a line
  10. 15. d=R-r
  11. 18. a flat shape with 5 sides
  12. 22. a polygon with 3 sides
  13. 23. a triangle center
  14. 25. angles that are outside a solid
  15. 27. a 4 sides regular polygon
  16. 29. a flat shape with 9 sides
  17. 30. a flat shape with 10 sides