Triangle Crossword Puzzle Project

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Across
  1. 1. A list of the 3 lengths, (usually in order from least to greatest).
  2. 4. The center of the circle that touches all three vertices of the triangle.
  3. 5. Two figures with corresponding congruent sides and corresponding congruent angles.
  4. 7. The range of values for the third side of a triangle if we are given the lengths of the two other sides.
  5. 11. A segment between the vertex to the midpoint of the opposite side.
  6. 13. Corresponding, parts of, congruent, triangles are, congruent.
  7. 15. The angles opposite the legs.
  8. 16. Compares triangles that do not have all corresponding congruent parts; bigger side is opposite the bigger angle.
  9. 19. A rigid transformation is sometimes called this, and it maps a figure to a figure with the same shape and size.
  10. 20. A polygon with three sides.
Down
  1. 2. The point where the lines intersect
  2. 3. All sides are congruent, and all angles are congruent.
  3. 4. The intersection of the medians—no circle.The centroid is exactly two-thirds the way along each median. The centroid divides each median into two segments whose lengths are in the ratio 2:1, with the longest one nearest the vertex
  4. 6. The angle included between the legs.
  5. 8. When 3 or more lines (segments, rays) intersect in a common point.
  6. 9. The intersection of the altitudes.
  7. 10. In a triangle, the sides opposite congruent angles are congruent.
  8. 12. The center of the circle that intersects each side.
  9. 14. A segment that passes through vertex and is perpendicular to the opposite base.
  10. 17. The side of an isosceles triangle that is opposite the vertex.
  11. 18. Two triangles are congruent if three sides of one triangle are congruent to three sides of the other triangles.