Question

determine o x desse triangulo:

Answer 1

$Tangente 30 \º = \dfrac{x}{30} \\ \\ \dfrac{ \sqrt{3} }{3} = \dfrac{x}{30} \\ \\ 3x=30 \sqrt{3} \\ \\ x= \dfrac{30 \sqrt{3}}{3} \\ \\ x= 10 \sqrt{3}$