Chapter 5 Vocabulary

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Across
  1. 5. a proof in which the statement to be proved is assumed to be false and a contradiction is shown
  2. 8. the point of concurrency of the three altitudes of a triangle
  3. 9. a segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side
  4. 10. for a figure to be drawn around another figure in which every vertex of the enclosed figure lies on or is tangent to the outer figure
  5. 11. three or more lines that intersect at one point
  6. 12. the same distance from two or more objects
  7. 13. the point of concurrency of the three medians of a triangle
Down
  1. 1. for a figure to be drawn within another figure in which every vertex of the enclosed figure lies on or is tangent to the outer figure
  2. 2. a segment that joins the midpoints of two sides of the triangle
  3. 3. a point where three or more lines coincide
  4. 4. the point of concurrency of the three angle bisectors of a triangle
  5. 6. a perpendicular segment from a vertex to the line containing the opposite side
  6. 7. a set of points that satisfies a given condition