lesson 1.12 Activity 3 and cool down

12.3: Translating Triangles

  1. Translate triangle ABC by the directed line segment from A to C.
    1. What is the relationship between line BC and line B'C' ? Explain your reasoning on your Student Task Statements document.
    2. How does the length of segment BC compare to the length of segment B'C'? Explain your reasoning on your Student Task Statements document.
  2. Translate segment DE by directed line segment w. Label the new endpoints D' and E' .
    1. Connect D to D' and E to E' .
    2. What kind of shape did you draw? What properties does it have? Explain your reasoning on your Student Task Statements document.

Translate triangle ABC by directed line segment DE