
Jon S. answered 04/22/21
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Patient and Knowledgeable Math and English Tutor
By segment addition postulate: DE + EF = DF. so 8 +2 = DF and DF = 10.
Erica H.
asked 04/22/21Jon S. answered 04/22/21
Patient and Knowledgeable Math and English Tutor
By segment addition postulate: DE + EF = DF. so 8 +2 = DF and DF = 10.
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