Question

Ayúdenme por favor!!!

Answer 1

Respuesta:

${4}^{2} + {x}^{2} = {(4 \sqrt{5)} }^{2}$

$16 + {x}^{2} = 16 \times 5$

$16 + {x}^{2} = 80$

${x}^{2} = 80 - 16$

${x}^{2} = 64$

$x = \sqrt{64}$

$x = 8$