Computation of the Area Shown on an Irregular Survey


How do I figure out the area shown on a survey? I just need an approximation.


There is a little bit of a shortcut here and for other similar situations. It’s close but not completely accurate.

Take the survey and blown it up 400% on a photocopier. Get a piece of graph paper and plot out distances with the boxes. Cut up the large copy into squares, rectangles and triangles, and whatever little bits might happen to be left over, throw them into a circle.

Then, add up the sizes. It’s only as accurate as your Grade 1 Art skills. However, if you are careful you’d be surprised how close you can get.

Constructing Triangles using Compasses and Protractors -

Brian Madigan LL.B., Broker

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