Special segments

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Across
  1. 5. The point of intersection of perpendicular bisectors
  2. 6. In this type of a triangle, the altitudes may intersect outside the triangle
  3. 8. A perpendicular segment to a side of a triangle which connects its to the opposite vertex
  4. 9. The point of intersection of angle bisectors
Down
  1. 1. In this type of a triangle, a median is at the same time an altitude or an angle bisector
  2. 2. The point of intersection of altitudes
  3. 3. If 3 lines intersect at the same point, this point is called point of ....
  4. 4. The point of intersection of medians
  5. 7. A segment connecting the midpoint of a segment to the opposite vertex