Question

Opções:
A)
$2 \sqrt{30}$

B)
$5 \sqrt{30}$

C)
$\frac{10 \sqrt{29}}{3}$

D)
$\frac{ \sqrt{29} }{3}$

E)
$2 \sqrt{29}$



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Answer 1

d² = 4²+8² = 16+64= 80

x² = d²+6²= 80+36= 116 => x=√116 = 2√29