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Possible Duplicate:
How quickly we forget - basic trig. Calculate the area of a polygon
How to calculate the area of a polygon?

If I know all the vertices of a particular polygon/figure, is there a generalized method/formula to calculate the area?

  • 0
    Duplicate of [How to calculate the area of a polygon?](http://math.stackexchange.com/q/66638/856) and [How quickly we forget - basic trig. Calculate the area of a polygon](http://math.stackexchange.com/q/48993/856).2012-01-27
  • 0
    You have to know the order of the vertices too, as otherwise there can be multiple answers2012-01-27
  • 1
    There is also [Pick's theorem](http://en.wikipedia.org/wiki/Pick's_theorem).2012-01-27

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