Question

determine a medida de x(lei dos senos)

Answer 1

$\frac{5 \sqrt{2} }{sen30} = \frac{x}{sen45}$
$x .sen30 = sen45.5 \sqrt{2}$
$\frac{1}{2} x= \ \frac{ \sqrt{2}}{2} .5 \sqrt{2}$
$x = 2.5$
$x = 10$