Question

AJUDA. Calcule o valor de x sabendo que a//b//c​

Answer 1

Explicação passo-a-passo:

Usando o Teorema de Tales:

$\dfrac{60}{x} =\dfrac{81}{243}\\\\\\ \dfrac{60}{x} =\dfrac{1}{3}\\\\\\x=60.3\\\\\\\boxed{\boxed{x=180}}$