SOLUTION: I need to determine the circumference of a circle with radius 3 in. Give an exact answer and a decimal answer round to the nearest hungredth?

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Question 8176: I need to determine the circumference of a circle with radius 3 in. Give an exact answer and a decimal answer round to the nearest hungredth?
Found 2 solutions by bonster, longjonsilver:
Answer by bonster(299) About Me  (Show Source):
You can put this solution on YOUR website!
(2)(3.14)r
(2)(3.14)(3 in)
6*3.14
18.54 in

Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
circumference, C = pi%2Ad or C = 2%2Api%2Ar

you have radius = 3, so use the second version:

C = 2%2Api%2A3
C = 6%2Api --> exact solution.
--> C = 18.84955592 by evaluating on a calculator which rounds to 18.85 to the nearest hundredth.

jon.