Question

raiz quadrada exata de 12,25

Answer 1

3,5
espero ter ajudado

Answer 2

$\sqrt{12,25}=\\\\=\sqrt{\frac{1225}{100}}=\\\\=\sqrt{\frac{245}{20}}=\\\\=\sqrt{\frac{49}{4}}=\\\\=\frac{\sqrt{49}}{\sqrt{4}}=\\\\=\frac{7}{2}=\\\\=3,5$