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Bellwork Monday, 8/22/16

posted Aug 22, 2016, 10:37 AM by Chris Buehnerkemper   [ updated Aug 22, 2016, 10:37 AM ]
Transformations will be applied to the shaded triangle to test whether the two triangles are similar. Which will cause the shaded triangle to coincide with the white triangle?
Answer choices:
  • a reflection across the x-axis and a 180-degree rotation about the origin
  • a reflection across the x-axis and a translation 2 units to the right
  • a reflection across the y-axis and a dilation of scale factor 2
  • a reflection across the y-axis and a dilation of scale factor 1/2
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