Question

The perimeter of a regular pentagon is $27.5\mathrm{cm}$. Its side is _______ $\mathrm{cm}.$

Answer 1

$\mathrm{Perimeter}\mathrm{of}\mathrm{regular}\mathrm{pentagon}=5\times \mathrm{side}$

Perimeter of the given regular pentagon = $27.5cm$(given)

$\Rightarrow 5\times side=27.5$

$\Rightarrow side=\frac{27.5}{5}=5.5cm$

Hence, side of pentagon = $5.5cm$