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math

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The circular surface of a table has a diameter of 3 ft. What will cost to have the top refinished if the company charges $5 per square foot for the refinishing? Use 3.14 for π and round your answer to the nearest cent.

  • math - ,

    A = pi * r^2
    A = 3.14 * 1.5^2
    A = 3.14 * 2.25
    A = 7.065 sq. feet

    Cost = 5 * 7.065

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