HyperPro195
HyperPro195 HyperPro195
  • 14-07-2020
  • Mathematics
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confused on question in screenshot.

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Preussischer
Preussischer Preussischer
  • 14-07-2020

Answer:

The right answer is the second option, 9,747.

Step-by-step explanation:

[tex]EG^2 = DG*FG \\ EG^2 = 5*14 \\ EG = \sqrt{70}[/tex]

Now let's find DE (Pythagorean theorem).

[tex]DE^2 = DG^2+EG^2\\ DE = \sqrt{25+70} \\ DE = \sqrt{95}[/tex]

[tex]\sqrt{95} =9,7467... = 9,747[/tex]

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