Question

pesizo de ajuda nesse exercício​

Answer 1

${a}^{2} = {b }^{2} + {c}^{2}$

${x}^{2} = {1.8}^{2} + {3.2}^{2}$

${x}^{2} = 3.24 + 10.24$

${x}^{2} = 13.48$

$x = \frac{ + }{ - } \sqrt{13.48}$

$x = \frac{ + }{ - } 3.67$