Determine the unknown side length of the golden rectangle with the given width length. w = 7, l = _____ a. 14.16 b. 3.24 c. 11.33 d. 4.33

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12-01-2018
Mathematics

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Determine the unknown side length of the golden rectangle with the given width length. w = 7, l = _____ a. 14.16 b. 3.24 c. 11.33 d. 4.33

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obenam obenam · Answer 1 · 2018-01-12T19:21:37+01:00

obenam obenam

12-01-2018

since the rectangle is a golden one, then the fraction:
[tex] \frac{L}{7}= frac{1+\sqrt5}{2}\text{ from which we get:}\\ l=7 \frac{1+\sqrt5}{2} =11.3[/tex]

The correct answer is D then

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