Question

xfavor procedimiento

Answer 1

Respuesta:

${4}^{2} + {x}^{2} = {5}^{2} \\ 16 + {x}^{2} = 25 \\ {x}^{2} = 25 - 16 \\ {x}^{2} = 9 \\ x = 9 \\ x = \sqrt{9} \\ x = 3$