Question

Qual o valor de x no retângulo abaixo.
A)4
B)6
C)12
D)13
E)24
Me ajudem !

Answer 1

$\boxed{\begin{array}{l}\sf sen(30^\circ)=\dfrac{x}{26}\implies x=26sen(30^\circ)\\\sf x=26\cdot\dfrac{1}{2}\\\sf x=13\end{array}}$