Question

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

Answer 1

The perimeter of the regular pentagon = 100 𝑐𝑚
Number of sides in a pentagon = 5

Side length of the regular pentagon = <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> $\frac{Perimeterofthepentagon}{Numberofsides}$

= <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> $\frac{100}{5}$

= 20 𝑐𝑚