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Mathematics > Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer. 

2-16-2013-MRO_CG_5.png

If triangle A B C above is congruent to triangle D E F (not shown), which of the following must be the length of one side of triangle D E F?

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Remember that if two triangles are congruent, corresponding sides have equal length and corresponding angles have equal measure.

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