SOLUTION: Calculate the perimeter of these regular polygons? a. A square with side 8cm. b. A decagon with side 3cm c. A nonagon with side 4cm

Algebra ->  Trigonometry-basics -> SOLUTION: Calculate the perimeter of these regular polygons? a. A square with side 8cm. b. A decagon with side 3cm c. A nonagon with side 4cm       Log On


   

Question 1084536: Calculate the perimeter of these regular polygons?
a. A square with side 8cm.
b. A decagon with side 3cm
c. A nonagon with side 4cm
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
The perimeter of a regular N-gon (N>2) is nothing more than N*s where s=length of one side.
a. 4*8cm = 32cm
b. 10*3cm = ?
c. Left as an exercise for you. Hint: it has 9 equal sides.