Question

Determine o valor do x ( preciso da conta )

Answer 1

Resposta:

a = hipotenusa

b = cateto

c = cateto

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

${13}^{2} = {x}^{2} + {12}^{2}$

$169 = {x}^{2} + 144$

$169 - 144 = {x}^{2}$

${x}^{2} = 25$

$x = \sqrt{25}$

$x = 5$