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11 November, 10:26

A circular piece of fabric has a radius of 1.2ft. The fabric sells for $5.40 per ft2. What is the total cost of the circular piece of fabric

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  1. 11 November, 10:30
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    Find the area of the fabric

    The fabric is circular, so we find the area using the area of circle formula

    a = π * r²

    input the numbers

    a = π * r²

    a = 3.14 * (1.2) ²

    a = 3.14 * 1.44

    a = 4.5216 ft²

    Calculate the total cost

    Multiply the cost by the area

    cost = 5.4 * 4.5216

    cost = 24.417

    The total cost is approximately $24.42
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