SOLUTION: If the diameter of a circle is 4, then what is the area of the circle divided by its circumference?

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Question 259699: If the diameter of a circle is 4, then what is the area of the circle divided by its circumference?

Found 2 solutions by Fombitz, richwmiller:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
In general, the area of a circle is
A=pi%2Ar%5E2
and the circumference is
C=2%2Api%2Ar
Then
A%2FC=pi%2Ar%5E2%2F%282%2Api%2Ar%29
A%2FC=r%2F2
Since
D=2r
r%2F2=D%2F4
A%2FC=D%2F4=4%2F4=1

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a=pi*r^2
c=2*pi*r
d=2r
r=d/2=4/2=2
a/c=
pi^r*r/2*pi*r=r/2=2/2=1