Area of a circle, Mathematics

Assignment Help:

There's a nice way to show why the expresion for the area of a circle of radius R is:

Pi * R2.

It has an comman relationship with the experation for the circumference of a circle, which is 2 * Pi * R (and that is a consequence of the description of Pi, which is known to be the ratio of the circumference of a circle to its diameter.)


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