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13 June, 18:29

The cross-sectional area of a water pipe is 5058 square inches. to the nearest tenth, what is the diameter of the pipe in inches?

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  1. 13 June, 18:45
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    Area of a circle = PI * radius^2

    5,058 = PI * radius^2

    radius^2 = 5,058 / PI

    radius = square root (1610.0114043176)

    radius = 40.1249474058

    diameter = 80.2498948116

    diameter = 80.25 inches
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