Question

raiz quadrada de 169

Answer 1

√169

169 |  13
  13 |  13                              
    1 | √(13²) = 13

Espero ter ajudado. Valeu!

Answer 2

$\begin{array}{c|c}\sf169&\sf13\\\sf13&\sf13\\\sf1\end{array}$

$\sf \sqrt{169}=\sqrt{13^2}$

$\boxed{\boxed{\sf\sqrt{169}=13}}$