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Math Help - Garden root

  1. #1
    Junior Member
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    Unhappy Garden root

    A rectangular garden has length  3 \sqrt 6 metres and area (9\sqrt2 - 6\sqrt3) square metres.

    a) Write and simplify an expression for the width of the garden.
    b) Determine the perimeter of the garden to the nearest tenth of a meter.

    I'm sooo confused
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by nathan02079 View Post
    A rectangular garden has length  3 \sqrt 6 metres and area (9\sqrt2 - 6\sqrt3) square metres.

    a) Write and simplify an expression for the width of the garden.
    ok, so for a rectangle, area = length times width. so, if we let the width be
    x, we must have that

    3 \sqrt{6}x = 9 \sqrt{2} - 6 \sqrt{3}

    now solve for x and simplify the answer


    b) Determine the perimeter of the garden to the nearest tenth of a meter.
    remember, the perimeter is the distance around the figure, that is, the length of all the sides. the perimeter for a rectangle with width x and length y is given by:

    P = 2x + 2y
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