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Help with this I don't know how to solve please

Help with this I don't know how to solve please-example-1

1 Answer

3 votes

Answer:

The right answer is the first one, 6,245.

Explanation:


EG^2=DG*GF \\ EG^2 = ab\\ EG^2 = 3*13\\ EG^2=39\\ EG=√(39)


√(39) = 6,2449... = 6,245

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