Tricky Triangle Trouble

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Across
  1. 2. angle The angle between the legs
  2. 5. A triangle that has two congruent sides
  3. 6. This is used to find the point equidistant to the three legs of a triangle
  4. 8. bisector A line that intersects the base at the midpoint and is perpendicular to the base
  5. 11. bisector A line that bisects the vertex angle
  6. 12. This divided each median in the ratio of 2:1
  7. 15. A triangle with three congruent sides
  8. 16. This is used to find the point equidistant to the three vertices in a triangle
  9. 18. A line that intersects the vertex angles and is perpendicular to the opposite side
  10. 19. The point where all three altitudes of a triangle meet
  11. 20. An angle less than 90 degrees
Down
  1. 1. An angle greater than 90 degrees
  2. 3. A theorem that states that the interior angles of a triangle are 180 degrees
  3. 4. angle The angle opposite of the legs
  4. 7. A triangle with no congruent sides
  5. 9. A segment between the vertex to the midpoint of the opposite side
  6. 10. of concurrency The point where three lines intersect with one another
  7. 13. The congruent sides of an isosceles triangle
  8. 14. A three-sided figure
  9. 17. An angle that is 90 degrees