Question 290570: If I have a hexagon building that is 1200 square feet in area, what would be the length of each of the sides? Answer by Deina(147) (Show Source):
You can put this solution on YOUR website! In approximate numeric terms, the area of a regular hexagon is 2.598 times the square of its side
length. (http://homepage.mac.com/terhorab/iblog/B1032916816/C181698761/E174145342/Media/hexagonArea.pdf)
and bob's your uncle!
If you need a more exacting formula, start with the standard formula for the area of a hexagon: