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siddy20
 2 years ago
Find the circumference of 2 inches.
siddy20
 2 years ago
Find the circumference of 2 inches.

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

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

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

kirbykirby
 2 years 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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