Across
- 2. the region inside the circle bounded by two radii
- 7. a segment whose endpoints are a vertex of a triangle
- 8. the distance along the arc
- 9. a polygon with a vertex on the circle
- 10. the product of two numbers that equal -1
- 11. when perpendicular bisectors are drawn for every side of a triangle
Down
- 1. a circle that contains all the vertices of apolygon
- 3. the point of concurrency
- 4. a style of proof
- 5. the point of concurrency of the three medians
- 6. a style of proof