Activity 13-14 Vocabulary

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Across
  1. 2. A postulate where smaller angles are added together to equal a larger angle (two words no space)
  2. 3. Angles inside the triangle.
  3. 4. A triangle with all equal sides.
  4. 6. The two sides of an isosceles triangle that are congruent.
  5. 8. A point of intersection of concurrent lines.
  6. 9. The side of an isosceles triangle that is opposite the vertex angle.
  7. 11. The two angles non adjacent to the exterior angle.
  8. 12. The point of concurrency of the altitudes of a triangle.
  9. 14. A perpendicular segment from a vertex to the opposite side.
Down
  1. 1. Angles outside the triangle.
  2. 5. A triangle with at least two congruent sides.
  3. 7. Congruent angles in an isosceles triangle (two words no space)
  4. 8. The point of concurrency of the medians of a triangle.
  5. 10. A segment from a vertex to the midpoint of the opposite side.
  6. 13. The angle formed by the legs of an isosceles triangle.