Question

The perimeter of a regular hexagon is 100 cm.How long is its each side?​

Answer 1

Regular Pentagon has 5 side and all are equal.

Therefore, 

 perimeter = sum of all the sides

perimeter = 5 × side

100 = 5 × side

side = 100 ÷ 5

side = 20cm

Answer 2

Question:-

The perimeter of a regular hexagon is 100 cm.How long is its each side??

Answer:-

$Perimeter \: Of \: A \: Regular \: Hexagon \: = 6\times Side \\ \longrightarrow \: 100 = 6 \times side \\ \longrightarrow \frac{100}{6} = side \\ \longrightarrow16.66cm \: \\ so \: the \: each \: side \: of \: the \: regular \: hexagon \: is \: 16.66cm \: ....$

$because \: all \: sides \: of \: a \: \: regular \: hexagon \: is \: equal...$