SOLUTION: What is the area of a decagon who's side lengths measure 4cm?

SOLUTION: What is the area of a decagon who's side lengths measure 4cm?

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Question 176636: What is the area of a decagon who's side lengths measure 4cm?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The area of a regular decagon of side length is either:

or

Just plug in 4 for and get to work on your calculator.

See Wikipedia (http://en.wikipedia.org/wiki/Decagon) for more info on decagons.
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