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March 28, 2017

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The length of a rectangle is three times its width.
If the area of the rectangle is 45 ayrds squared , find its perimeter.

  • pre calc - ,

    L=3W
    45=LW=3w^2
    w=sqrt15

    Perimeter=2(L+W)=2(4W) and you can finish it.

    This is hardly close to calculus, more like beginning geometry.

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