Question

What is the perimeter of a regular pentagon and the sides are 3.3 cm long

Answer 1

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. 

Answer 2

Multiply the 3.3 cm by the number of sides 5,then place your decimal and your answers 16.5 .
hope i helped u