Respuesta :

calculista
we know that
scale factor=measure triangle DEF/measure triangle ABC
DE/AB=DF/AC=EF/BC
12/72=7/42=11/66-----> 1/6

the answer is
the scale factor of ABC to DEF is 1/6
ryliecoley1

Answer:

The answer is 1/6

Step-by-step explanation:

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