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kirbykirby Group TitleBest ResponseYou've already chosen the best response.1
Is this for a circle with radius 2 inches, or diameter 2 inches?
 one year ago

kirbykirby Group TitleBest ResponseYou've already chosen the best response.1
Then the formula for a circumference of a circle is \[\pi*d=\pi*2=2\pi\] where d = diameter, and that's just pi
 one year ago

kirbykirby Group TitleBest ResponseYou've already chosen the best response.1
or more specifically, \[2\pi\] inches to keep the units
 one year ago

siddy20 Group TitleBest ResponseYou've already chosen the best response.0
Just find the area please.
 one year ago

kirbykirby Group TitleBest ResponseYou've already chosen the best response.1
Yes there is: The formula for area is \[2\pi*r^2\] where r = radius Now you need to know that diameter = 2*radius So d = 2r Since d = 2 2 = 2r r = 1 So the area is \[2\pi*r^2=2\pi(1)^2=2\pi \] in inches^2 as units
 one year ago
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