Chapter 5 Vocabulary

12345678910111213141516171819202122
Across
  1. 1. The point where concurrent lines meet.
  2. 4. Three or more lines that meet at a common point.
  3. 7. A point on the bisector of an angle is ____________________ from the sides of the angle.
  4. 10. Another name for an indirect proof is proof by _________________.
  5. 11. The Angle-Side Inequality states that the Shortest Side is across from the ______________ ____________ in a triangle.
  6. 13. A segment from the vertex of a triangle perpendicular to the opposite side.
  7. 14. The Incenter Theorem tells us that the incenter is equidistant from the _________ of a triangle.
  8. 16. The point where the angle bisectors of a triangle meet.
  9. 19. The Angle-Side Inequality states that the largest angle is opposite the _________________ __________ in a triangle.
  10. 21. This states that if the angle between two sides of one triangle is larger than the angle between two sides of the same lengths of a second triangle, then the third side of the first triangle is longer than the third side of the second triangle.
  11. 22. The point where the three perpendicular bisectors of a triangle meet.
Down
  1. 1. A bisector that is also perpendicular to a segment.
  2. 2. This is a prefix meaning about or around
  3. 3. The point where the medians of a triangle meet.
  4. 5. The Circumcenter theorem says that the circumcenter is equidistant from the _____________ of the triangle.
  5. 6. The _____________ ____________ Inequality states that the measure of an exterior angle is greater than the measure of each remote interior angle.
  6. 8. This theorem states the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
  7. 9. Uses a rectangular array in which you record what you have learned from clues to solve a logic or reasoning problem.
  8. 12. The point where the altitudes of a triangle meet.
  9. 15. A type of reasoning in which you assume a conclusion is false, then show that this leads to a contradiction.
  10. 17. The centroid theorem states that the centroid is ______ _________ the distance from each vertex to the midpoint of the opposite side.
  11. 18. A segment, ray, or line that divides an angle into two congruent angles.
  12. 20. A line segment that connects the vertex of a triangle to the midpoint of the opposite side.