Which characteristic does a translation not preserve?

Question

anonymous · Answer

Which of the transformations do not preserve one or more of the following characteristics? Are these transformations isometries? Explain why. 
angle measure 
distance 
collinearity 
betweeness of points 
orientation

anonymous · Answer

It saves everything! An isometry is rigid motion. Rigid motion preserves lengths and distances, and since they preserve lengths and distances they preserve angle measures. Read more: Which characteristic does an isometry not preserve? | Answerbag http://www.answerbag.com/q_view/742583#ixzz2dBDsxYlO