A trundle wheel is used by surveyors to measure distances. It consits of a circular disc attached to a handle. One revolution of the wheel measures out exactly one metre. Find the diameter of the wheel.
I don't know the units so I'm guessing its centimeters, you can convert it when I'm done. 31.847133758 is the exact answer in centimeters, you can use that to convert the units to millimeters and such.
