Across
- 2. a regular quadrilateral with four equal sides and four equal angles
- 6. a triangle that has two sides of equal length.
- 8. a polygon with three edges and three vertices.
- 9. a nine-sided polygon
- 12. a seven-sided polygon
- 13. a largest circle contained in a triangle
- 14. 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
- 15. a center of mass
- 16. a triangle in which all three sides are equal.
- 17. a ten-sided polygon
- 18. a five-sided polygon
Down
- 1. a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain or polygonal circuit.
- 3. a polygon with four edges and four vertices or corners.
- 4. a circle that passes through all the vertices of the polygon.
- 5. a twelve-sided polygon
- 7. a six-sided polygon
- 10. an eight-sided polygon
- 11. a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length).
