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