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Simplifying A = 2 * 3.14 * 6 Multiply 2 * 3.14 A = 6.28 * 6 Multiply 6.28 * 6 A = 37.68 Solving A = 37.68 Solving for variable 'A'. Move all terms containing A to the left, all other terms to the right. Simplifying A = 37.68
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