SOLUTION: The radius of a circular flower garden is 4 meters. How many meters of edging will be needed to surround the garden? A) 7.14 meters B) 12.56 meters C)25.12 meters D)50.27 meters

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: The radius of a circular flower garden is 4 meters. How many meters of edging will be needed to surround the garden? A) 7.14 meters B) 12.56 meters C)25.12 meters D)50.27 meters      Log On

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Question 281882: The radius of a circular flower garden is 4 meters. How many meters of edging will be needed to surround the garden?
A) 7.14 meters B) 12.56 meters C)25.12 meters D)50.27 meters E)3.14 meters

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
c=2 pi r
c=2*3.14*4
c=8*3.14
We can approximate 8*3=24 the only answer even close is 25.12
since "none of the above' is not a choice it must be 25.12.
and yes 3.14*8=25.12
if you didn't know that 8*14 is 112 you should know that 8*7=56 and 2*56=112