triangle types and parts

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Across
  1. 5. Triangle with all congruent sides.
  2. 7. angle Point where 2 rays meet.
  3. 8. Side of a triangle which is perpendicular to the altitude.
  4. 10. Segment between the midpoint of 2 sides.
  5. 11. 90 degree angle.
  6. 13. 2 angles with a sum of 180 degrees.
  7. 15. Goes through a corner and is perpendicular to the opposite side.
Down
  1. 1. Triangle with 2 congruent sides.
  2. 2. pair Adjacent angles whose non adjacent sides form a line.
  3. 3. Triangle with no congruent sides.
  4. 4. bisector Goes through mid point of a side and is perpendicular to that side.
  5. 6. bisector A line passing through a vertex cutting an angle.
  6. 9. Bigger than 90 degrees.
  7. 10. Segment from vertex to the midpoint of the opposite side.
  8. 12. angles Opposite angles formed by 2 intersecting lines.
  9. 14. Smaller than 90 degrees.