Across
- 2. a rectangle having all four sides of equal length.
- 9. a circle that passes through all the vertices of the polygon.
- 10. a polygon having ten angles and ten sides.
- 12. a polygon having 12 angles and 12 sides.
- 13. a perpendicular from the center of a regular polygon to one of its sides.
- 14. a polygon having five angles and five sides.
- 15. a polygon having ten angles and ten sides.
- 17. a polygon having seven angles and seven sides.
- 18. a closed plane figure having three sides and three angles.
Down
- 1. the center of mass
- 3. a figure formed by four straight lines that have six points of intersection;a polygon with four sides.
- 4. triangle that the two sides are same length
- 5. a triangle which vertexes are on the circumference of the circle.
- 6. triangle that the sides are same length
- 7. an n-sided polygon in which the sides are all the same length and are symmetrically placed about a common center
- 8. a polygon having nine angles and nine sides.
- 11. the center of an inscribed circle; that point where the bisectors of the angles of a triangle or of a regular polygon intersect.
- 16. a polygon having six sides.
