congruency and similarity

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Across
  1. 4. can be called a scale factor
  2. 5. an angle between the horizontal and the line of sight when looking UP at the object
Down
  1. 1. an angle between the horizontal and the line of sight when looking DOWN at the object
  2. 2. if two corresponding sides are equal then the triangles are
  3. 3. if two corresponding angles are equal then the triangles are