Across
- 3. endpoints are a vertex and midpoint of the opposite side
- 8. an angle pair that sums up to 180 degree
- 10. a line that divides something into 2 equal parts
- 11. exactly same
- 12. an angle pair that sums up to 90 degree
- 13. ____ triangle; all angles and sides are congruent
Down
- 1. a segment that joins the midpoints of two sides of a triangle
- 2. concurrent point of 3 medians
- 4. a triangle with all 3 angles less than 90
- 5. concurrent point of 3 altitudes
- 6. perpendicular segment from a vertex to the opposite side
- 7. a triangle has one over 90 degree angle; ___ triangle
- 9. a triangle has one 90 degree angle in it; ___ triangle