Question

calcule raiz quadrada de 169

Answer 1

A raiz quadrada de 169 eh 13

Answer 2

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

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

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