Circle Review-Dora

2. a twelve-sided polygon
4. a ten-sided polygon
6. a nine-sided polygon
7. a center of mass
12. a triangle in which all three sides are equal.
16. a largest circle contained in a triangle
17. 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
18. an eight-sided polygon

1. a triangle that has two sides of equal length.
3. a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain or polygonal circuit.
5. a circle that passes through all the vertices of the polygon.
8. a regular quadrilateral with four equal sides and four equal angles
9. a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length).
10. a polygon with four edges and four vertices or corners.
11. a seven-sided polygon
13. a polygon with three edges and three vertices.
14. a six-sided polygon
15. a five-sided polygon