Question

O valor de x é:
a)20/3
b) 11
c) 4/3
d) 2/5 ​

Answer 1

Explicação passo-a-passo:

Usando o Teorema de Tales:

$\dfrac{15}{5}=\dfrac{20}{x}\\\\ \dfrac{20}{x}=3\\\\3x=20\\\\\boxed{\boxed{x=\dfrac{20}{3}}}$

Resposta A

Answer 2

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$\boxed{\begin{array}{c}\sf O~valor~de~x~\acute e:\end{array}}\\\tt a)\dfrac{20}{3}\checkmark\\\tt b)11\\\tt c)\dfrac{4}{3}\\\tt d)\dfrac{2}{5}$

$\sf\dfrac{x}{20}=\dfrac{5\div5}{15\div5}\\\sf\dfrac{x}{20}=\dfrac{1}{3}\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=\dfrac{20}{3}\checkmark}}}}$