SOLUTION: Circumference of a circle. If the circumference of a circle is 5.68 10^9 feet, then what is its radius?

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Question 350941: Circumference of a circle. If the circumference of a
circle is 5.68 10^9 feet, then what is its radius?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
Circumference of a circle. If the circumference of a
circle is 5.68 10^9 feet, then what is its radius?
.
circumference = (pi)d
OR
circumference = 2(pi)r
.
5.68*10^9 = 2(pi)r
5.68*10^9 = 2(3.14)r
5.68*10^9/2(3.14) = r
2.84*10^9/3.14 = r
2.84*10^9/3.14 = r
.904*10^9 = r
9.04*10^8 feet= r