taylormarie213
  • taylormarie213
The length of a rectangle is three more than twice the width. If the perimeter is 72 inches, find the dimensions of the rectangle.
Geometry
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
The width is your base so width = x. The length of your rectangle is three more than twice the width so length = 2x + 3. Now, your perimeter is the sum of all four sides of the rectangle, so x + x + (2x + 3) + (2x + 3) = 72. Solve for x and continue from there.
taylormarie213
  • taylormarie213
X+ 6x = 72 X = 11 ?
anonymous
  • anonymous
So now you know that your width is 11, just solve for your length and you have both dimensions

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taylormarie213
  • taylormarie213
so if x=11, do I plug it back into the long equation?

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