Across
- 4. the perpendicular line segment from a vertex to the straight line of the opposite side
- 6. the vector the absolute value of which is 0
- 8. the common point of the altitudes
- 9. a geometric transformation given by a vector
- 10. a directed line segment
Down
- 1. the line segment connecting the midpoints of two sides of a triangle
- 2. the line segment in a triangle which connects a vertex with the midpoint of the opposite side
- 3. the midline of a triangle is ... with the third side of the triangle
- 5. the intersection point of the medians in a triangle
- 7. another word for an altitude