Question

URGENTEEEE


Sabendo que os triângulos a seguir são semelhantes , determine o valor de x

Answer 1

$\boxed{\begin{array}{l}\sf\triangle F~\!G~\!H\sim F~\!H~\!I\\\sf\dfrac{4}{x}=\dfrac{x}{1}\\\\\sf x^2=4\\\sf x=\sqrt{4}\\\sf x=2\end{array}}$