SOLUTION: A wire of length 6x is bent into the shape of a circle A. Express the circumference of the circle as a function of x. B. Express the area of the circle as a function of x.

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Question 997145: A wire of length 6x is bent into the shape of a circle
A. Express the circumference of the circle as a function of x.
B. Express the area of the circle as a function of x.

Answer by Timnewman(323) About Me  (Show Source):
You can put this solution on YOUR website!
Hi dear,
Since the lenght is 6x which is bent in the shape of a circle,
Then,circumference of the circle c=2%2A%28pi%29%2Ar
but c=6x
Then,
c(x)=6x
Also writting area as a function of x,
A=pi%2Ar%5E2
but r=3x/pi
A(x)=pi*(3x/pi)²
A(x)=9x%2Fpi