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The first step is to work out the radius. The formula for area is pi(r2). That equals 379.94, so plug this into the equation and you get a radius of 10.997. The formula for the circumference is pi(2r). Plug the now known radius in and you get 69.097516968554117299881726353374
Therefore the circumference, if the area is 379.94cm2, will be 69.1cm
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∙ 12y ago
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