Question

determine o valor de x e y respectivamente

Answer 1

Explicação passo-a-passo:

Usando o Teorema de Tales:

$\frac{10}{x} =\frac{7}{14} \\\\\frac{10}{x} =\frac{1}{2} \\\\x=20$

$\frac{10}{8} =\frac{7}{y} \\\\\frac{5}{4} =\frac{7}{y} \\\\5y=28\\\\y=\frac{28}{5} \\\\y=5,6$

Resposta A