depends on what the shape is like. Can you post a picture of it? Irregular shape can mean an infinite number of different shapes so its an impossible question! (For now)

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- March 5th 2008, 11:48 PM #1

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- March 10th 2008, 11:48 AM #2

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- March 10th 2008, 09:32 PM #5

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1. Use a Planimeter

2. Draw it on squared paper and count squares

3. Draw it onto paper cut it out weigh it. Weigh a rectangular area of same paper then use the weight ratio times the area of the rectangle to find the unknown area.

RonL