A rectangular garden 10m * 18m . Find the area of a sidewalk that is 2m from the side of a garden ?

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  1. The area of the garden including the sidewalk is
    A1=(10+2*2)*(18+2*2) m².
    Subtracting the area of the garden from A1 will give the area of the sidewalk.

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  2. Factor: 64y3 + 27

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