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Simplifying 1678.644 = 2 * 3.14 * 8.1 * 8.1 + 2 * 3.14 * 8.1h Multiply 2 * 3.14 1678.644 = 6.28 * 8.1 * 8.1 + 2 * 3.14 * 8.1h Multiply 6.28 * 8.1 1678.644 = 50.868 * 8.1 + 2 * 3.14 * 8.1h Multiply 50.868 * 8.1 1678.644 = 412.0308 + 2 * 3.14 * 8.1h Multiply 2 * 3.14 1678.644 = 412.0308 + 6.28 * 8.1h Multiply 6.28 * 8.1 1678.644 = 412.0308 + 50.868h Solving 1678.644 = 412.0308 + 50.868h Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-50.868h' to each side of the equation. 1678.644 + -50.868h = 412.0308 + 50.868h + -50.868h Combine like terms: 50.868h + -50.868h = 0.000 1678.644 + -50.868h = 412.0308 + 0.000 1678.644 + -50.868h = 412.0308 Add '-1678.644' to each side of the equation. 1678.644 + -1678.644 + -50.868h = 412.0308 + -1678.644 Combine like terms: 1678.644 + -1678.644 = 0.000 0.000 + -50.868h = 412.0308 + -1678.644 -50.868h = 412.0308 + -1678.644 Combine like terms: 412.0308 + -1678.644 = -1266.6132 -50.868h = -1266.6132 Divide each side by '-50.868'. h = 24.9 Simplifying h = 24.9
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