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

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

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

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

kirbykirby
 one year ago
Best ResponseYou've already chosen the best response.1Yes 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
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