3 ms·
In my opinion, the most natural definition is the circumference of the unit circle, which is tau. The area of the unit circle is then simply the integral: tau/2
by Armisael16 9y ago
In my opinion, the most natural definition is the circumference of the unit circle, which is tau. The area of the unit circle is then simply the integral: tau/2*r^2.
Start at the lowest dimensional property (1D).