How do you find the area of a...

Pentagon

Hexagon

Heptagon

Octagon

Nonagon

Decagon

Please answer a.s.a.p, course work needs to be in for tomorrow!!!

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- Oct 27th 2005, 12:19 PMtop.class.dumb.studentPolygon Areas
How do you find the area of a...

Pentagon

Hexagon

Heptagon

Octagon

Nonagon

Decagon

Please answer a.s.a.p, course work needs to be in for tomorrow!!! - Oct 27th 2005, 01:55 PMJameson
The general area of any polygon can be expressed by this equation:

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

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.