Question

TEOREMA DE TALES
me ajudem a calcular

Answer 1

$d) \frac{x+7}{15} = \frac{8}{6} \to multiplique.cruzado\\\\ 6x+42=120\to \\\\ 6x=120-42\to \\\\ 6x=78\to \\\\x= \frac{78}{6} \to \\\\ x=13$