Question

Aplique o Teorema de Tales no intuito de determinar o valor de x, sabendo que as retas a, b e c são paralelas.
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Answer 1

Resposta:

$\frac{x}{12} = \frac{5}{8} \\ 8x = 60 \\ x = \frac{60}{8} \\ x = \frac{15}{2} \: ou \: 7.5$

Answer 2

$\mathsf{ \dfrac{x}{12}=\dfrac{5}{5+3}}$

$\mathsf{8x=60}$

$\boxed{\boxed{ \mathsf{x=7{,}5}} }$