Answer:
The radius of the circle is 
Step-by-step explanation:
we know that
The circumference of a circle is equal to

we have

assume

substitute and solve for r



The volume of a cube formula is v(s)=s^3. If you plug in 3 for s, you will find that v(s) would in fact equal 27. Thus the length of the sides are 3 and the volume is 27.
The answer to this question is 1/20 there were all together.