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13 January, 10:22

Dolores is working on her flower garden. Her garden is a square with an area of 81 square feet. She wants to cover a circular area inside her garden with mulch. The edge of the circle will touch each side of the square. How many square feet will be covered in mulch?

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  1. 13 January, 13:00
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    63.62 ft²

    Step-by-step explanation:

    Area of a square is given by b*b=b²

    Where b is the measurement of any side

    Given area of 81 ft² then to get b, we get rhe squareroot

    b²=81

    b=√81=9

    This 9 is the diameter of rhe circular area that mulch covers.

    Radius is half the diameter hence 0.5*9=4.5 ft

    The area of circle will be given by

    A=πr²

    Substituting 4.5 in for r then

    A=π*4.5²=63.6172512351933 ft²

    Rounded off as 63.62 ft²
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