Geometry Lessons 5.3 through 5.4 Vocab

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