Across
- 5. One of the three connected straight lines in a triangle.
- 6. A perpendicular line segment from a vertex to the opposite side.
- 8. The point where all altitudes meet.
- 9. The point where all three medians intersect.
- 10. A figure formed by two rays that share a vertex.
Down
- 1. The outside boundary of a shape.
- 2. The bottom side of a triangle.
- 3. The amount of area inside a shape.
- 4. The points where two sides meet.
- 7. A line segment connecting a vertex to the midpoint of the opposite side.