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Write the scale factors and values for x for the pairs of similar triangles below.  
Scale Factor: .5 x = 4.5 

Scale Factor: 1.333 x = 8 
Scale Factor: 1.25 x = 8 
Scale Factor: .25 x = 4 
Scale Factor: 1.429 x = 12 
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The various resources listed below are aligned to the same standard, (8G04) taken from the CCSM (Common Core Standards For Mathematics) as the Geometry Worksheet shown above.
Understand that a twodimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, translations, and dilations; given two similar twodimensional figures, describe a sequence that exhibits the similarity between them.
Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:
Understand congruence and similarity using physical models, transparencies, or geometry software