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9 October, 06:03

A square board has an area of 100 square feet. What is the length of one side of the board? A) 100 ft B) 50ft C) 25 ft D) 10 ft

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  1. 9 October, 10:01
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    D) 10 ft

    Step-by-step explanation:

    If the board is square, we know that the formula for area is

    A = s^2

    The area is 100 ft^2

    100 = s^2

    Take the square root of each side

    sqrt (100) = sqrt (s^2)

    10 = s

    The length of one side is 10 ft
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