Question

Aplique no teorema de Tales e determine o valor de X, sabendo que a//b//c.​

Answer 1

$\Large\boxed{\begin{array}{l}\sf\dfrac{5}{8}=\dfrac{10}{x}\\\sf 5x=80\\\sf x=\dfrac{80}{5}\\\\\sf x=16\\\\\sf\dfrac{8}{y}=\dfrac{x}{x}\\\\\sf \dfrac{8}{y}=1\\\sf y=8\end{array}}$