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11 April, 09:02

a hose has a diameter of 8mm and a length of 10m. find the surface area and round to the nearest mm squared.

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  1. 11 April, 09:15
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    about 351.86 mm

    Step-by-step explanation:

    A = 2πRH+2πR^2

    the diameter is given 8mm. since we need the radius, the radius is half the diameter, half of 8 is 4.

    The length that given can be used as the height which would be 10.

    R=4 & H=10

    2π (4) (10) + 2π (4) ^2

    Area is about 351.86 mm
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