Across
- 3. meeting at a single point
- 4. the point at which the three altitudes a triangle meet
- 6. a plant figure with three straight sides and three angles
- 7. line segment joining two points on a curve
- 9. the point where the three medians of a triangle intersect
- 10. a four sided plane reflection figure with opposite sides parallel
Down
- 1. the point in which the three bisectors of a triangle meet
- 2. the point of intersection of the three right bisectors of a triangle
- 5. lying on the same line
- 8. common endpoint of two or more rays or line segments