Across
- 5. a segment that has endpoints at a vertex and at the midpoint of the side opposite of the vertex
- 7. when three or more lines intersect at one point
- 8. a perpendicular segment from a vertex of a triangle to the line containing the side opposite to the vertex
- 9. the point of concurrency of the lines containing the altitudes of a triangle
- 10. the circle that contains all three vertices of a triangle
Down
- 1. the center of the circumscribed circle of the triangle
- 2. the center of the inscribed circle of the triangle
- 3. a point that is the same distance from two points
- 4. the point where the lines intersect
- 6. the circle that intersects each side of a triangle at exactly one point and has no points outside of the triangle
- 7. the point of concurrency of the medians of a triangle
