SOLUTION: The length of a rectangle is 9 cm less than twice its width. If the area of the rectangle is 26 cm squared, what is the rectangles dimensions?

Question 862654: The length of a rectangle is 9 cm less than twice its width. If the area of the rectangle is 26 cm squared, what is the rectangles dimensions?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

A = Lw

26cm^2 = (2w-9cm)w  | length = 9 cm less than twice its width

  2w^2 - 9w - 26 = 0

  (2w -13)(w + 2) = 0   (Tossing out the negative solution for unit measure)

     w = 13/2cm 0r 6.5cm  and L = 4cm    

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