Chapter 5 Vocabulary

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Across
  1. 3. a set of points that satisfies a given condition
  2. 6. when a point is the same distance from two or more objects
  3. 7. a segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side
  4. 8. a circle inside of a polygon which intersects each line that contains a side of the polygon at exactly one point
  5. 9. a proof in which the statement to be proved is assumed to be false and a contradiction is shown
  6. 11. a segment that joins the midpoints of two side of a triangle
  7. 12. the point of concurrency for the lines containing the altitudes
Down
  1. 1. a set of three nonzero whole numbers a, b, and c such that a^2 + b^2 = c^2
  2. 2. a perpendicular segment from a vertex to the line containing the opposite side
  3. 4. the point of concurrency of the three medians of a triangle
  4. 5. the point of concurrency of the triangle's angle bisector
  5. 10. when the three perpendicular bisectors of a triangle are concurrent