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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02-04-2017
Mathematics

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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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wolf1728 wolf1728 · Answer 1 · 2017-04-02T07:37:27+02:00

wolf1728 wolf1728

02-04-2017

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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