document.write( "Question 302935: what is the area of a regular pentagon with the perimeter of 50cm \n" ); document.write( "

Algebra.Com's Answer #217164 by Alan3354(69443) $\"\"$ $\"About$

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For any regular polygon with n sides of length s:
\n" ); document.write( " $\"Area+=+ns%5E2%2Acot%28180%2Fn%29%2F4\"$
\n" ); document.write( " $\"Area+=+5%2A2500%2Acot%2836%29%2F4\"$
\n" ); document.write( " $\"Area+=+3125%2Acot%2836%29\"$ sq cm
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