For example you can use the formula PHI r^2 with a swimming pool, but how do you apply a radical equation with square root problems to real life?

3 Comments so far

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   If inflation is 5% per year, what is the compound effect after 2.5 years? Answer: 1.05^2.5, where the .5 is another way of denoting a square root.

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   You know how if you double a peice of A5 paper, you get A4. double A4 and you get A3… etc.
   Well how come that works so nicely?
   The ratio of the sides is sqrt2.

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   surveying uses the pythagorean theorem quite a bit. as does mapping out your coordinates if you don’t have a GPS.