Question

Determine o valor do X:
hipotenusa =X cateto oposto = 40 e seno = 30 ?

Answer 1

$sen30= \frac{1}{2} \\\\sen= \frac{co}{hip}\\\\ \frac{1}{2} = \frac{40}{x}\\\\x= \frac{40}{ \frac{1}{2}} =80$

Answer 2

X hipotenusa resultado correto =80