SOLUTION: A mirror in the shape of a regular octagon is mounted on a wall. If the area of the mirror is 18 sq. meter find: a. The length of the side of the mirror. b. If the sides of the m

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Question 1013890: A mirror in the shape of a regular octagon is mounted on a wall. If the area of the mirror is 18 sq. meter find:
a. The length of the side of the mirror.
b. If the sides of the mirror are adorned by a red ribbon glued to its sides what is the length of the required ribbon?

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
A mirror in the shape of a regular octagon is mounted on a wall. If the area of the mirror is 18 sq. meter find:
a. The length of the side of the mirror.
--
For any regular polygon with n sides of length s:

Solve for s.
===========================
b. If the sides of the mirror are adorned by a red ribbon glued to its sides what is the length of the required ribbon?
Perimeter = 8s

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