2/3 of 1 is What is this
1 answer:
You might be interested in
The ratio A/r² would represent 
which is the circumference of a circle divided by its diameter.
You can see this because the area of a circle isr² and if you divided that by the radius squared, you are given pi which is the circumference of a circle divided by its diameter.
You can see this because the area of a circle is