What is 1 third*pi*2 squared ?
4.188790205 rounding for the nearest point decimal of pi.
the way it is written it should probably be expressed in terms of Pi.
1/3 * (Pi) * 2^2
1/3 * (Pi) * 4
1/3(Pi) *4
4/3Pi
or 1 and 1/3 pi
