Question

qual o valor da raiz quadrada de 1,777...

Answer 1

$\sqrt{1,777...} = \sqrt{1+0,777...} = \sqrt{1+ \frac{7}{9} } =\sqrt{ \frac{9}{9} + \frac{7}{9} } =\sqrt{ \frac{9+7}{9}} =\sqrt{ \frac{16}{9}} =\frac{4}{3}$