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