Respuesta :

A regular pentagon has 5 sides of equal length. To get the perimeter, you can multiply the length of one of the sides by 5. In this case, 5x3.3 would give you 16.5 cm. 
Manjiri
Multiply the 3.3 cm by the number of sides 5,then place your decimal and your answers 16.5 .
hope i helped u