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Ricky has a wooden trunk 7 dm by 4dm by 5dm he wants to clean it all over on the surface what is the surface area of the trunk to

By Autumn

Ricky has a wooden trunk 7 dm by 4dm by 5dm he wants to clean it all over on the surface what is the surface area of the trunk to be clean. with solutions please i wanna learn 🙂

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Autumn

.

Sewage contains several dissolved and

suspended impurities which pollute the water and

leads to

f(x) is defined as R to R as surjective,injective both or none
find f(x) = x^2/1+x^2
Please somebody do it seriously.​

1 thought on “Ricky has a wooden trunk 7 dm by 4dm by 5dm he wants to clean it all over on the surface what is the surface area of the trunk to”

  1. Given : Ricky has a wooden trunk 7 dm by 4dm by 5dm

    To Find : the surface area of the trunk

    Solution:

    wooden trunk 7 dm by 4dm by 5dm

    Cuboid shape

    Surface area of cuboid = 2 ( lb + bh + lh )

    l = 7 dm

    b = 4 dm

    h = 5 dm

    => Surface area of wooden trunk = 2 ( 7 * 4 + 4 * 5 + 7 * 5)

    = 2 ( 28 + 20 + 35)

    = 2( 83)

    = 166 sq dm

    surface area of the trunk to be clean. = 166 sq dm

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