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Math

posted by on .

The perimeter of a rectangle is 34 feet and the area measures 60 square feet.

What are the length and width of the rectangle?
(Hint: Use the equations :
perimeter = times the sum of the length and the width
area = length times width)

  • Math - ,

    94

  • Math - ,

    2(l+w) = 34
    l+w = 17 ,#1

    lw = 60 , #2

    from #1, w = 17-l

    in #2
    l(17-l) = 60
    -l^2 + 17l - 60 = 0
    l^2 - 17l + 60 = 0
    (l-5)(l-12) = 0

    so l=5 or l=12
    if l=5 then w = 12
    if l=12 then w = 5

    The rectangle is 5 by 12

  • Math - ,

    If perimeter of garden is 2 meter mote then eight times the width of the rectangle garden. Find dimension of the garden.

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