Question

a medida do lado de um pentágono regular cujo perímetro é 115 Vale
17mm
23mm
80mm
90mm
425mm
*ME AJUDAAA*​

Answer 1

$\boxed{\begin{array}{l}\sf p=5\cdot\ell\\\sf\ell=\dfrac{p}{5}\\\\\sf\ell=\dfrac{115}{5}\\\\\sf\ell=23~mm\end{array}}$