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A drug is given to a patient to dilate her arteries. If the radius of an artery

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A drug is given to a patient to dilate her arteries. If the radius of an artery is increased from 2 to 2.1 millimeters, approximately how much is the cross-sectional area increased? [Assume that the cross section of the artery is circular; that is, A = пr2.]

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The crosssectional area of a circular artery is given by A r2 where r is the radiu...View the full answer


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