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The formula for the circumference of a circle is C=2 3.14r. Determine the circumference when the radius r is 10 cm.
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The formula for the circumference of a circle is C=2 3.14r. Determine the circumference when the radius r is 10 cm.

User Tatum
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C = 2 * 3.14 * r.....when r = 10
C = 2 * 3.14 * 10
C = 20 * 3.14
C = 62.8 cm <==
User Rosen Dimov
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