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The length of a rectangle is 5cm lees than four times its width. If the area of the rectangle is 26cm^2, find the dimensions of the rectangle.

The width of the rectangle is

The length of the rectangle is

1 Answer

6 votes

Explanation:

L = 4W - 5

A = LW = 6

(4W - 5)W = 6

4W2 - 5W - 6 = 0

W = 2 or -0.75

Choose the positive W.

Width = 2 cm

L = 4W - 5 = 4(2) - 5 = 3

Length = 3 cm

User Paras Khanagwal
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