Un Rockers
Sunday, July 10, 2011
Regular pentagon A'B'C'D'E' at the core of star ABCDE has area 1. Find the area of the star?
a href="http://www.mlahanas.de/Greeks/MathImage/pentagram.gif" rel="nofollow"http://www.mlahanas.de/Greeks/MathImage/…/a
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