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14 June, 08:23

the area of a square poster is 30 in square. Find the length of one side of the poster to the nearest tenth of an inch

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  1. 14 June, 08:31
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    x = 5.5 (nearest tenth)

    Step-by-step explanation:

    let x be the length of 1 side

    given area of square poster is 30 in²

    and

    Area = (length of 1 side) ²

    hence

    30 = x²

    x = √30

    x = 5.4772

    x = 5.5 (nearest tenth)
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