I do not normally post twice in the same day, but here is number 2:

Here you will see two snippets from New York and Florida.

The first is from New York's Educator Guide to the Regents Examination in Geometry (Common Core) from November 2014.

The second is from Florida's Geometry End-of-Course Assessment Sample Questions.

Note that is you use 3.1416 as an approximation for π, your are evidently breaking the rules in both states.

To all those who have a good solid answer as to what should best be used. all I will say is I'll bet ³⁵⁵⁄₁₃₃  is as good as most (not all) people need.  Check it out.