Chapter 5 Vocabulary

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Across
  1. 2. the same distance apart between two points.
  2. 4. a segment joining the midpoints of two sides of a triangle.
  3. 5. line segment joining a vertex to the midpoint of the opposing side.
  4. 7. two or more lines that intersect at a single point.
  5. 9. the point of intersection of the altitudes of a triangle
  6. 11. the point of intersection of all the three perpendicular bisectors of the triangle.
  7. 13. Proof proving by contradiction, which means that the negation of a true statement is also true.
Down
  1. 1. a set of three integers a, b, c which form the sides of a right angled triangle.
  2. 3. the center of a circle inscribed in a triangle. It is the point of intersection of all the angle bisectors of a triangle.
  3. 6. perpendicular distance from the base of a geometric figure to the opposite vertex, parallel side, or parallel surface.
  4. 8. a set of points that satisfy a certain condition or criteria.
  5. 10. shape or solid that is enclosed by and "fits snugly" inside another geometric shape or solid.
  6. 12. the point of intersection of all its three medians.