Question

Confused on question in screenshot.

Answer 1

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

Explanation:

`EG^2 = DG*FG \\ EG^2 = 5*14 \\ EG = √(70)`

Now let's find DE (Pythagorean theorem).

`DE^2 = DG^2+EG^2\\ DE = √(25+70) \\ DE = √(95)`

`√(95) =9,7467... = 9,747`