# Polygon Areas

• Oct 27th 2005, 12:19 PM
top.class.dumb.student
Polygon Areas
How do you find the area of a...

Pentagon
Hexagon
Heptagon
Octagon
Nonagon
Decagon

• Oct 27th 2005, 01:55 PM
Jameson
The general area of any polygon can be expressed by this equation:

$A=\frac{nx^2}{4\tan{(\frac{180}{n})}}$

where n is the number of sides and x is each side's length.

For specific areas of each, do a Google search, or I would suggest looking to derive them.