Geometry Semester 1 Vocabulary Terms Part 2

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Across
  1. 2. The point of concurrency of the altitudes of a triangle
  2. 5. has one right angle and two acute angles
  3. 6. this type of triangle has two or more congruent sides
  4. 11. the two congruent angles in an isosceles triangle
  5. 12. point of concurrency that is formed when 3 medians cross in a triangle
  6. 14. the two congruent sies in an isosceles triangle
  7. 15. Once a triangle is proved congruent, you can use the congruence statement to know that certain sides or angles are congruent to their corresponding sides or angles
  8. 19. a line, segment, or ray that is perpendicular to the segment at its midpoint, thereby bisecting the segment into two congruent segments
  9. 23. 100 + ____ = the sum of all angles in a triangle
  10. 24. lines that are not coplanar, not parallel, and do not intersect
  11. 25. this triangle has 3 congruent angles
  12. 27. if two angles and a non-included side are congruent
  13. 28. has one obtuse angle and two acute angles
  14. 29. Law of ___: Allows you to state a conclusion from two true conditional statements when the conclusion of one statement is the hypothesis of the other statement
Down
  1. 1. the slopes of these two lines are opposite reciporacals
  2. 3. hypotenuse and one of the legs are congruent
  3. 4. the perpendicular segment from a vertex to the line containing the opposite side
  4. 7. The point where the three perpendicular bisectors of a triangle are concurrent
  5. 8. has no congruent sides
  6. 9. two sides and the included angle are congruent
  7. 10. a segment whose endpoints are a vertex and the midpoint of the opposite side
  8. 13. formed by 3 angle bisectors crossing in a triangle
  9. 16. these lines have the same slope
  10. 17. in two congruent figures, their matching sides and angles are called?
  11. 18. a segment in a triangle that connects the midpoints of two sides
  12. 20. this triangle has 3 congruent sides
  13. 21. all three sides are congruent
  14. 22. this shape has exactly 3 acute angles
  15. 26. if two angles and an included side are congruent