Geometry Terms- Triangles

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Across
  1. 2. 1 obtuse angle.
  2. 4. created by angle bisectors.
  3. 7. 2 congruent sides.
  4. 9. Three pairs of congruentsides in a triangle.
  5. 13. Two angles and a side opposite them are congruent.
  6. 14. (m<1= m<2+ m<3)
  7. 16. created by altitudes.
  8. 18. 3 congruent sides.
  9. 19. A segment joining a vertex to the midpoint of the opposite side.
Down
  1. 1. three medians intersect a triangle.
  2. 3. (m<A + m<B + m<C =180)
  3. 5. A line,segment, or ray that divides an angle into two equal parts.
  4. 6. Two angles and an included side are congruent.
  5. 8. Two sides and an included angle are congruent.
  6. 9. no congruent sides.
  7. 10. 3 acute angles.
  8. 11. three perpendicular bisectors intersect a triangle.
  9. 12. 1 right angle.
  10. 15. 3 congruent sides.
  11. 17. the hypotenuse leg and any one leg of a right angle are congruent.
  12. 19. Joins the midpoints of two sides of a triangle.