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Simplifying 2 * 3.14r = 14 Multiply 2 * 3.14 6.28r = 14 Solving 6.28r = 14 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Divide each side by '6.28'. r = 2.229299363 Simplifying r = 2.229299363
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