Geometry CH5 Lessons 5.3 & 5.4 Vocab

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Across
  1. 7. states that if two angles of a triangle are congruent, then the two sides opposite those angles are congruent.
  2. 9. Two figures are congruent if and only if there exists one or more rigid motions that can map one figure onto the other.
Down
  1. 1. states that if two sides of a triangle are congruent, then the angles opposite those sides are congruent.
  2. 2. In a triangle, the included angle of two sides is the angle formed by the sides.
  3. 3. a transformation that does not change the size or shape of a figure.
  4. 4. A translation, or slide, is a rigid transformation that moves every point of a figure the same distance in the same direction.
  5. 5. A reflection, or flip, is a rigid transformation across a line called the line of reflection.
  6. 6. A nonincluded angle of two sides of a triangle is one of the angles that is not formed by those two sides.
  7. 8. A rotation, or turn, is a rigid transformation about a point called the center of rotation.