Chapter 5 Vocabulary

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Across
  1. 2. The point of concurrency of the three medians of a triangle.
  2. 5. A segment that joins the midpoints of two sides of the triangle.
  3. 7. The point of concurrency of the three perpendicular bisectors of a triangle.
  4. 9. The point of concurrency of the three altitudes of triangle.
  5. 10. A point where three or more lines coincide.
  6. 11. A style of proof that uses coordinate geometry and algebra.
  7. 12. A segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side.
Down
  1. 1. A perpendicular segment from a vertex to the line containing the opposite side.
  2. 3. A line perpendicular to a segment at the segment's midpoint.
  3. 4. A proof in which the statement to be proved is assumed to be false and a contradiction is shown.
  4. 6. The same distance from two or more objects.
  5. 8. The point of concurrency of the three angle bisectors.