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Bellwork Thursday, 8/11/16

posted Aug 11, 2016, 8:22 AM by Chris Buehnerkemper
A translation to the right has been applied to triangle ABC such that side AB coincides with side DE and side BC coincides with side EF, thus demonstrating that angle B and angle E have the same measure. 

What is true about side AC?

  • Side AC coincides with side DF, because both are sides of equilateral triangles.
  • Side AC coincides with side DF, because the respective endpoints of both segments coincide.
  • It cannot be determined that side AC coincides with side DF, because no other relationships between corresponding angles are known.
  • It cannot be determined that side AC coincides with side DF, because it is not known how many units to the right triangle ABC has been translated.
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