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Mathematics 14 Online
OpenStudy (anonymous):

C=628cm. r=? please explain AND give answer Always give free medals

OpenStudy (anonymous):

628 = 3.14 * 2 * r 100 = r circumference is equal to pi (3.14) times diameter . Since you are looking for r - radius, that is 2r equals diameter

OpenStudy (anonymous):

grasias

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